When you take a dump on someones chest, and draw a smiley face with it. Then, you take a wet nap and smear it around until it is wiped up and you mess is all gone.
While aunt boots was ridin' dirty i gave her a Dirty Diego while i rubbed kelly's red hairy nipples and rubbed her bush.
When for whatever reason you have stiches on your penis and you have anal sex with some one.
DUDE! Lastnight i totally got these stiches just so i could give people dirty porcupines.