If your penis was an animal....

Mine would be a horse.... been ridden all its life!

Yes a horse for me too .

Gee. Tattoo humuhumunukunukuapuaa on your penis in 1/2" letters and you'll have to be over 10" long.

Unless you cheat and hyphenate it on two lines.

May have to hyphenate that one, but I'll see what I can do. I won't be having to buy a vowel, though...

I would say a donkey because once he's up he's very stubborn and sometimes I have to beat him to make him go away.

extinct -- if not for lspg.org and lube!