DA in Pokemon Bond of Brotherhood: Part IV: No holding back
He smirked "yer playing with the big boys now. and we don't play fair..." he clenched his fists and slammed it hard against luke's abdomen, crushing two of his ribs in the impact as luke howled in pain.
Jurassic Porn: Shower of Lust
"do come and give these big boys a feel, mandalore!", linda begged. the vulpine eagerly stood up and wrapped his arms around her hips, pulling the rex close to him.
Samoyed and Wolf
Two big boys, two little girls, the youngest girl who is only two years old, while the other girl is five, one boy eight and the other boy ten years old, the youngest girl got to ride on delilah's back, and they has fun while the others followed and keep 
Trophies
"you wanna play with the big boys?" andy smiled as his mind raced through the words. "i'll be here."
Wolf Pack: Part 6
Well, this story doesn't contain any yiffy scenes (sorry big boys) and has a very dramatic ending. i want to point out to everyone right now if they don't like the ending: don't criticize me, i like the ending!!!
Crewpup Sixty-Nine
"takes three other pups to keep those big boys drained, and you do it all by yourself." he stood up suddenly, walking back over to the pup's face until his ball sack pressed against the dog's nose. "i like your dedication, sixty-nine. and so do my boys.
The Lion King 2 1/2: Chapter 37 - The Long, Sore Road Home
My daughter knows how to handle big boys." "all the lionesses did. every time i rolled over and spread my hindlegs, i'd get at least two lionesses coming over and start licking my sheath without a word.
The Hidden Lake Resort
Little boys became big boys, not the other way around. "i am not gunna! it isn't fair." chase said folding his arms across his chest. "have it your way pup. you are going to stay in that diaper until you use it.
Serving the Hive
"hey there, big boys.", she slurred and looked at them lasciviously. "hello, princess.", one of them growled deeply, then they both lifted her up as if she weighed nothing.
Temptation 09 - The Savannah
"and you keep your pants on, kid. the big boys are talking. when mommy and daddy are done you can have a cookie before bed. till then, keep your mouth shut." now the lynx looked like he was about to pop a blood vessel.
Chuck and Nicky
He was too big to argue with but that was fine, nicky liked big boys, and he liked what they could do to you. nicky obediently eased from his sitting position, allowing chucky to rather forcefully yank down the jeans.
Leprechaun Servant
A little thing to make sure that you big boys don't start making things hard for us. after all, we were here long before yer kind. "but it's not all bad.