Tailhole

Actually, breechcloths are a lot easier to manage with a tail than trousers would be ... reality is, for a decent tailhole, you'd need elastic gathers in it ... those plain holes would be too revealing for most furries, especially canines, with those feathered or flaring tails.

The colliefem drew the curtain and looked out at the moon hanging over the Pacific. […] She tossed the bra to the poolside and reached down to undo the Velcro on her panties' tailhole.

Cat diapers often come with adjustable tabs, stretchable gathers, and an adjustable tailhole to ensure a secure fit without slipping or bunching, accommodating tails of all sizes.

The whole hog, lips, tits, and tailhole.

Miz Fan Dunning was standing in her kitchen door screeching. "I seen you, what you done, you little devil! Goosed that pig, poked that fishpole right up her tailhole! Not any cruel mean monster would've done it. […]

how does the cat continue to lick itself from toenail to tailhole.

It slipped easily inside the mouse, whose cunt (it seemed) had been plowed many times before. By whom, Tammy wondered. Her nose rubbed up against the tailhole of the mouse, who jerked in response. This had another odor new to Tammy, who found her attraction to it quite shocking. But perhaps she would get to explore it later.

The wolf almost lay down on top of the willing fox as he jackhammered his trapped cock against the fox’s insides. He could only take a few short moments of the tight tailhole squeezing down hard behind his sensitive knot before he howled and filled the fox with his cum.