I could do this all day, lol!
some of these just seem too funny to be really random:
poop: finger lickin' good
whore's: are you man enough?
herpes: it takes a licking, but it keeps ticking
semen: melts in your mouth, not in your hand
yawn
great link
Beastiality, It takes a tough man to make tender chicken!
I WILL HEED YR WARNING AND PUESUE THE ENEMY WITH STEALTH -- slippedhole