The Mare
The centauress made a seductive face at the two males and turned around, her equine vulva winking and leaking copious amounts of female mucus, she spread her back legs and lifted her tail to the side, thunder neighed wildly, rearing up with an enormous erection
Dragon Outlaw: Part Three
Precum had joined the mucus covering on the end of his penis. his paws seemed to be taking on a life of their own, ever increasing in the ferocity of their attack on his member.
Over Easy [Sketch]
The lips of her sex stretched dangerously thin around the emerging egg, thick globs of slimy, sticky fluid oozing down, hanging in ropes over her fingers like congealed mucus, and even though each and every one of her nerves felt as though it was on fire,
Secret pleasures, chapter 4
The entire tube was slick with the same thick lubricative mucus he had rubbed between his fingers earlier. he pushed further forward, and with a slight pressure, his shoulders pressed into the gullet as well.
The Gates of Hell, Chapter 5, WURM, part 1
But then again it could excrete mucus much like a slug, and use it to climb sheer and/or slick surfaces; however unlike a slug it left no trail. it was an all terrain monster.
No, They're NOT Okay
They're being compressed on all sides by my esophagus, slathered in thick mucus that is forcing itself into their mouth and orifices, and unable to hear anything other than the steady rhythm of my heart and lungs.
The Seeker, Chapter 28
They moaned as the tentacles; whose touches tingled, moved over their bodies leaving trails of mucus.
Making of a Burd Part 3: Laying Burd
Warm mucus dripped down around the egg and dampened his inner thighs. mark could feel the egg moving bit by bit but it seemed to be taking forever.
Day 1 - Deepthroating
Pulling all the way off bishop's cock joe swallowed the excess spit, mucus, and pre that working the cock down his throat had brought up. half choking on it he coughed and hacked before swallowing again.
Brooding
Now that the alien was in constant contact with a mucus membrane the enzymes it was releasing would work that much faster.
Halo: FUBAR Chapter 01 - Odd Man Out
I looked to the nearest drone and saw the green mucus had spread over the armour on my forearms, where it hardened nearly instantly. i felt the queen shift her weigh, practically sitting on my chest now.
Buck and Doe
He was also pleasantly surprised to find that his heat causes his male womb to produce a thin mucus that lubricates and cleanses his rectum, making anal sex easy.