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Son-day Fun day.

This is the third and final story of my two German Shepherd sons, Kava and Theo. The first two episodes are "Saturday Morning Son-rise" and "Second Son-rise". For back story you can read those. My two boys are classic (feral) German Shepherd dogs, like their mother Sherry. I'm an Anthro German Shepherd, walking upright.

This story contains Bestiality, Zoophilia, Incest, M/M sex, Enemas, Fisting. Lots of things likely to give you the vapours. Proceed at your own risk.

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Is there anything cuter than a doggy who has found his favourite toy and wants you to play with him? Theo was strutting around the lounge with his floofy tail curled over his back. The dog was snortling happily, with his ears high. He was desperately pleased with himself for having fetched his favourite toy. Theo came up to me and jabbed the toy at me, snorting through is nose and making happy vocalizations.

The toy he wanted to play with was a 14 inch long dildo with a diameter thicker than my wrist.

"Are you really sure you want to play with this toy?" I asked him, ruffling his ears.

Theo snorted through his nose and wagged his tail furiously. He jabbed the dildo at me.

"Well... okay. But you know we have to clean you out first. Can't play with this toy until we've given you a deep clean." I took the proffered toy from his mouth.

Theo gave a short, happy bark and trotted outside. Originally I'd installed an outdoor shower for those times when four muddy canines needed to rinse out their fur before heading indoors. And we did indeed use it for washing. A run at the park in winter concluded with a hot outdoor shower to clean off the mud. Thick warm towels dried our fur. Then my two sons, their mother, and I could go into the house clean, warm and dry. It saved the carpets.

I'd added an additional hose and fittings to the shower outlet so it could also be used for warm water enemas outdoors. Theo stood happily in the shower tray with his tail raised. He looked back at me and barked. The enema fittings for the shower vary in size and length. Some have a butt-plug style of base to lock the enema hose inside you while it slowly fills you with water. Another is a long, flexible hose with a blunt tip and side nozzles, designed for a deep clean. The longest nozzle is over 18 inches long - designed to gently flex and bend around your colon. Necessary for serious toy play.

Firstly we used the enema squeeze-bulb. The nozzle is thin and tapered, and the bulb holds around a cupful of warm water. A bit of water-based lube around Theo's pucker made it easy for the toy to penetrate him. He wagged his tail happily, barely noticing the intrusion. I firmly squeezed the bulb to squirt the water into my son. "Go on then." I said, when the bulb was squeezed flat.

Theo made a happy 'Yaff!' sound and scampered off to the lawn to dump the first load. While he was away I adjusted the shower to a mild warm temperature. Theo trotted back to the shower tray, turned his rump toward me and wagged his tail over his back. I screwed an enema fitting onto the shower hose. The first we would use was like a long butt-plug. It was about six inches long, gradually widening to a base about two inches across, then a narrow neck and wider flange at the hose fitting. I applied a generous coating of lube and pushed the narrow tip against Theo's pucker. For a moment he clenched but then relaxed as the tip penetrated his sphincter. I slowly pushed the plug into him, savouring the way his ring opened as the toy sank smoothly inside. When the widest diameter of the base slid past his ring he clamped down around the thin neck so the flange was pushed against his tail. I turned the water to a slow trickle. I wanted to tease him a bit. When you're doing enemas it's going to take a long time to clean out properly. So I like to have fun with it and make it a bit torturous. And Theo loves the sensations I give him. He had to stand for five minutes while the warm water flowed slowly into him. At first he stands proudly, head high, tail wagging, and shuffling his paws impatiently. But the pressure of the water is relentless - inflating him. After a while his head lowers and he pants, with his legs planted squarely. And after a longer while he starts making a "hng... hng... hng.." groaning sound and his tail drops lower. The internal pressure fills his bowels. And when he's at his limit he starts a higher pitched whining and a front paw scratches at the shower tray.

I shut off the flow. For a while I kept the plug in his butt to tease him. "Wait for it..."

Gently I tugged on the hose and his pucker pulled back. I tugged harder and his ring suddenly expanded enough for the widest diameter of the toy to break free. But I kept the toy moving out slowly. Part of the game was for Theo to let the toy slip out, but not let any water escape. His head was down, and he pawed at the shower tray but he stood firm. As the narrower tip of the toy slipped free he clamped down with his sphincter muscles to keep the warm water inside. But he was struggling to keep his anus sealed and he whined at the volume of fluid I was making him hold in. "Wait for it..." I repeated.

Theo was huffing his cheeks out with his nose practically touching the floor. He'd clamped his tail down and was shuffling his feet with urgency. I grinned behind him - he was being a champion keeping the huge volume of water in. But I could also see his sheath stretched around his knot and the tip of his cock was thick.

"Go on then."

Theo awkwardly waddled to the lawn. He wanted to gallop off but the strain of keeping the water in meant he had to be careful not to exert himself. As soon as he was safely to the grass he squatted and expelled a huge river of water. It was litres. I could watch his abdomen thinning as he dumped the enormous load. The dog let out a long groaning sigh as his bowels flushed clean. He moved around the lawn several times, stopped and expelled another minor flood.

When he was sure he was empty he trotted happily back to the shower tray. He stood facing away from me with his tail swishing over his back, pink butt-hole presented. I swapped the stubby butt-plug fitting with the longer flexible hose. We were going to give Theo the deepest clean. I used a squeeze-bulb to squirt a generous glob of lube directly through his pucker into his rectum. Then I pushed the blunt tip of the enema nozzle past his sphincter. This time there was no resistance as the hose slid easily into him. The nozzle is only about an inch in diameter - practically nothing! But it is around 18 inches long and quite flexible.

The first several inches slid easily into Theo aided by the mass of lube I'd squirted into him earlier. I adjusted the controls of the shower to start a tiny dribble of water through the nozzle. The deeper it pushed the more the water helped to open his colon out and guide the hose. When the hose was about 8 inches deep there was some resistance. I paused, gently jiggling the hose back and forth. Theo had his head raised, but his eyes were closed as though he were concentrating. The hose slipped past the resistance as the water opened Theo's depths. Another few inches slid into the dog. The pausing and concentration happened a few more times as the flexible nozzle snaked around the curves of my son's bowels.

To my amazement my boy managed to take the entire length of the nozzle - the plastic flange where the nozzle threaded onto the shower hose pressed against Theo's pucker. He stood stock still in concentration with his eyes closed. I reached back and adjusted the shower to slightly increase the flow of warm water. Theo panted through his nose but stood squarely planted on four feet in concentration. The flow of water into Theo was greater this time - I didn't need to torment the boy. When he started pawing the ground I immediately shut off the flow and started drawing the hose out. It easily slipped from him and he clamped his sphincter shut.

"Go on then..." I released him and the dog galloped to the lawn.

It took several squats around the lawn until Theo was sure he'd emptied himself. Then he trotted back to the shower tray for another filling. We repeated the deep fill three more times until all the water Theo dumped on the lawn was clear and clean. A deep clean enema takes a long while and you don't want to rush the job. And you don't want to immediately switch to dildo play afterward either. I let Theo relax to dry out for another thirty minutes while cuddled together and watched Kava mount and tie with his mother. The entertainment kept me hard and horny. Pressed against my boy I was hard but I knew my release was still a long way away.

The large dildo floated in the tub soaking in warm water until Kava was finished; taking a big toy is easier and much more pleasant when the toy is at body temperature. For giant dildo play the classic lube is vegetable grease. This is a good choice because it is super-slippery and stays slippery for a long time. It won't wreck your silicone toys. And it's non-toxic for the dogs to clean themselves up afterwards. They love the taste.

Theo stood in the lounge with his fluffy tail raised over his back, wagging slowly. I generously coated the big dildo with vegetable grease. Kneeling behind Theo I used two fingers to scoop out a blob of the lube and rubbed it around Theo's pucker. He relaxed his sphincter so I could pack several gobs of the grease into his butt-hole with my fingers.

My position changed so I was kneeling on one knee. I could brace the dildo against my other knee at the same level as Theo's greased butt-hole. His fluffy tail was curved over his back, presenting his butthole. The dog shuffled backward so the dildo pressed against his pucker. The bullet tip of the dildo starts around an inch and half wide - easy to slip past the dog's sphincter. Theo paused and relaxed his muscles so his anal ring opened around the tip of the toy. Then he shuffled backward taking in more of the toy. I only needed to keep the toy braced - Theo was pleasuring himself. He had his eyes closed in concentration. More inches of the toy vanished into Theo's depths. When he'd taken about eight inches of the toy he paused. He grunted and braced his paws. I jiggled the toy a little - that can help him to overcome some internal constriction. With a 'huff!' Theo took the toy another couple of inches deep. He paused again and I could see his sphincter reflexively contracting around the large intrusion. Pre-cum dribbled from the dog's cock onto the carpet - I knew after this play session I'd need the Wet Vac. Theo was gently panting as he shuffled back a few more inches. The further down the toy he went, the larger the diameter stretched his anal ring. He paused again as the toy met another constriction. But with a push and a 'huff!' the toy finally slid to its full depth. My boy had taken the full 14 inches deep and the flange at the base of the toy was pressed against his taut tail-hole. At two and a half inches in diameter the toy was thicker than my wrist.

We paused with the toy at full depth while the dog dribbled precum. Then Theo braced, standing firm. For this part of the game it was my turn to pleasure him with the toy. I slowly pulled the toy back, and it easily slipped most of the way from Theo. When just the tip was still holding him open I paused so my son could savour the sudden empty feeling. Then I pushed the toy forward again; not too fast - it took a few seconds to get to full depth again. But fast enough that Theo grunted and spurted more precum onto the carpet. He braced his paws and pushed back at the same time. It was easier getting the toy full depth the second time. Theo grunted and reflexively clenched around the toy when the base stretched him. Precum dribbled in a constant stream to the carpet.

I began a slow pistoning motion, pulling the toy out, pausing for a moment, then smoothly sliding the toy to full depth again. Theo's 'huffing' noises changed to a long, drawn-out groan of pleasure. Watching my boy take in the full 14 inches of the toy and seeing how it stretched his butt made my cock ache with need. My balls were sore and pent up from the extended sexual playtime with my son. But I was focussed on his pleasure for the moment.

After several minutes of fucking my son with the large dildo it was time to get serious. The toy was just the warm-up.

My knee braced the toy at full depth inside Theo. I used one hand to liberally spread the vegetable grease over my other hand and forearm. Fortunately my human-looking arms are mostly hairless. I let huge dildo quickly slip completely free of my son's tail-hole. For a moment his sphincter gaped open - I could see inches into his pink depths. I took advantage of the loose hole to pack half a cupful of vegetable grease into his butt. Theo would need as much lubrication to help with what came next.

As he was already opened up from the toy it was easy to push four fingers knuckle-deep into Theo's butt. I squeezed my thumb into my palm to make my hand into a 'duck-bill' shape. My son braced his paws and pushed back as I pushed my hand forward. There was a little resistance. But he'd taken my knot at full size before - popping it through his sphincter. My knot is about the same size as my fist so taking my fist was possible although still a challenge. With a deep grunt Theo pushed back hard. The widest point of my hand was at the thumb knuckle. I rocked my hand forward and back slightly to help his flesh slip over the obstacle. His grunt momentarily went up in pitch - almost a 'yipe' - when my hand was suddenly swallowed by his sphincter.

We paused to let Theo get use to the intrusion larger than the dildo. My hand was wrist-deep inside him and his flesh felt warm and squeezing. My own cock was liberally drooling precum down my sheath to matt the fur of my balls. I was aching for release.

There is a moment... When you're on the receiving end of skilled butt-play there is a moment when you completely lose yourself. The sensations become so intense that your entire being is absorbed. With a skilled 'top' stimulating your anus you become a mindless creature drowning in sensation. You literally lose your mind - you can't think a rational thought. All you can do is be a drooling, groaning mess of need while someone presses, stretches, and strokes you in unbelievable ways. That was the place I took my son.

Theo's front paws had gradually collapsed so his chest rested on the carpet. His head lay sideways with eyes closed. He panted in short groans as saliva pooled around his open muzzle. Theo was lost completely to the incredible stimulation inside him. His hips were still raised and he was braced against the force of me slowly pushing my hand deeper. My other hand kept packing fresh grease around my forearm as Theo's sphincter slid stretched ever more tightly around me. Every few inches my hand would feel constricted - Theo would groan while I gently flexed my wrist around. Then the constriction would ease and I could push forward a little more.

My fingertips were practically touching Theo's abdominal diaphragm. Carefully - ever so gently - I bent my fingertips downward until they were touching my thumb. I wasn't making a fist - it's just shortening your fingers by bending them. That allowed me to ease my arm forward another couple of inches. The crook of my elbow was at Theo's sphincter. It was the deepest I'd been - the deepest it was safe to go without endangering my son. The entire length of my forearm was inside the dog's bowels. The flesh of his sphincter was taut and shiny with stretching around my arm. We paused like that. Theo was huffing and groaning, drifting on the extreme sensations. Around my arm I could feel his heat, his heartbeat, all the ripples of his muscles. My boy was a tight, elbow-length glove on my arm. I had to steady Theo's hips with my other hand - he was beginning to wobble from the strain. Precum ran in a constant dribble from his cock.

Ever so carefully I started to pull my arm back. I didn't want to damage my boy - he was a champion for taking my whole forearm so deeply. The ring of his butt slipped along my well-lubed flesh. I drew back a few inches, paused to make sure his internals were adjusting correctly, then drew back further. When my arm was about half way out, I could feel Theo's body relaxing. The sensations were a little less overwhelming. But we weren't quite done yet. I manoeuvred my fingers inside him to make a full fist. This was the size of my knot but deeper inside him than my knot could reach. Theo started panting louder and groaning constantly. His long tongue lay in the puddle of drool around his maw. Every now and then I'd feel his muscles tense around my arm as the dribble of precum intensified to a squirt from his cock.

With my fist just about drawn back to Theo's sphincter I felt the bump of his prostate gland. Using my thumb and first finger I rhythmically pressed and squeezed his gland. The dog huffed and groaned, puffing his cheeks out. His hips were almost collapsing - I had to hold up his weight. Then his whole body juddered around my fist. His abused rectum squeezed feebly around my wrist. Theo squirted a long, constant stream of milky cum onto the floor. The stream wasn't discrete pulses - just a prolonged flow of semen as though he were pissing cum. I pressed and milked his prostate, making him orgasm without even touching his cock. His knot strained against his fuzzy sheath but all the stimulation was inside him. I was almost cumming myself, just from watching my boy. My cock leaked freely down my sheath and over my balls.

At last I pulled my clenched fist back. Theo's sphincter stretched obscenely around my knuckles. He yipped as my fist slipped free and his cock jumped. The stream of cum intensified beneath the dog. If I hadn't been holding my son's hips, he would have collapsed to the wet carpet.

His brother had been alert and waiting. Kava trotted over and began licking the vegetable grease slathered over his brother's anus. Kava's tongue easily flicked inside Theo's open rectum. He gave his brother a deep tonguing, getting several inches inside to get to the lube. Kava unconsciously humped his hips while he licked. Despite earlier fucking his mother he was horny again and wanted release. Meanwhile I licked the lube from my arm and hands - I'm a canine, it's what we do. Yes, I know my arm had been deep in my son's butt. He was clean - it wouldn't kill me.

You can't imagine how pent up our play had made me. My cock was twitching and my knot throbbed in my sheath. My balls ached for release. Theo unsteadily lifted his chest from the floor. The carpet was a soaked mess and Theo's chest fur was wet and matted with his cum. He wobbled unsteadily from the exertion. But our play still wasn't quite over.

I moved to lay down on the wet carpet with the puddle of Theo's cum tepid against my back. I had to help the dog lift his paws so I could scoot beneath him, facing him. My own knot was engorged in my sheath from arousal. Unfortunately to free my cock while the knot is swollen is quite painful. I had to pull my sheath back until my knot strained against the opening. It hurt, but the pain lessened my arousal a little making my knot soften just a bit. With an heroic effort of will I popped my knot free of my sheath.

"Ow, fuck!" I drew a sharp breath between my teeth at the momentary stinging on my sheath.

But the pain was fleeting and I was instantly back to full engorgement, laying beneath my son. My knot was fully swollen and my length was at full thickness. One hand aimed the tip of my cock near my son's gaping butt-hole. Theo practically collapsed on top of me. His butt swallowed the full length of my cock and his sphincter slipped readily over my knot. He'd already been stretched out so taking my knot was easier than taking my fist. I could feel his sphincter weakly clenching around my bulge. I reached around and pulled Theo's tail up and to the side.

Kava practically leapt onto his brother's back. He hunched forward repeatedly until the questing tip of his cock found Theo's tailhole. Although my knot was already lodged inside his brother's butt, Kava's cock wasn't yet engorged and his penis bone pushed through Theo's sphincter. Kava began to fuck like a jack-hammer. He rammed his hips forward so his cock pistoned in and out of his brother's hole. Kava's forepaws hauled back on his Theo's hips while his rear paws danced with the effort of jamming his cock full length into his brother.

The repeated rubbing of Kava's cock against mine inside his brother was incredibly stimulating. Kava's knot swelled against my bulge until he was also lodged inside his brother. The force of his knot pulsing against mine was overwhelming. I exploded in a huge release of cum. For half the day I'd been pent up and aroused while I worked my son's butthole. My knot swelled every time I pumped a load into Theo's depths. Kava stopped humping and his cum flooded into his brother with mine. Wave after wave of orgasm washed through me.

Two knots stretched Theo to his absolute limit. The pressure of Kava's knot pressed my own knot forcefully into Theo's prostate gland. The poor lad groaned and shuddered. Once again his cock steamed freely with milky cum against my abdomen. I felt the hot liquid pooling in my fur with his orgasm. My boy was lying collapsed on top of me, juddering as he came. I clamped my muzzle to Theo's and we groaned into our kiss. His brother and father were locked into his butt, filling him with our semen as all three of us were lost in bliss. It was impossible for Theo to keep so much cum inside him. Semen leaked around the two knots and drained in a flood. It gushed over Theo's balls and down over my balls. The wetness expanded to a small sea around my buttocks.

Eventually as the waves of bliss started to ebb I realized my boy had fallen asleep on top of me. He must have been completely exhausted - used and spent. Kava and I were still tied inside him. It would be another twenty minutes at least until either of would be able to pull our knot free. Until then we were locked to the sleeping dog. Theo snored on my chest while we squirted cum into him.

Kava was the first to soften - he'd cum earlier inside his mother so he wasn't as pent-up as I was. When he had receded enough he pulled his hips back and his cock slipped out of his brother. Kava wandered off to lick and coax his cock back into his sheath. The release of pressure against my knot - feeling him withdraw - actually stimulated me again. I humped my hips gently, rubbing my knot back and forth against Theo's prostate. Although he was asleep - snoring quietly above me - his cock hardened. I could feel the bulge in his sheath pressing into my abdomen. I kept rocking gently until a warm flow trickled between us. Theo was cumming in his sleep. It was his third orgasm in a row. I could feel his rectum weakly clamping around my knot. I hadn't even softened but the kinkiness of making my sleeping son orgasm while I fucked him brought me quickly to my peak again. I juddered underneath him and my cock spurted another load of cum into my son. Without two knots in him his sphincter was able to contract enough to keep the cum sealed inside. While he slept I filled my boy with cum. And in his sleep he squirted his cum over his father's belly.

I cuddled him and whispered what a clever boy he was. My son, the champion. I too drifted off to sleep with him laying on my chest and my cock filling him.