when a man urinates, and does not shake his genitales, lettingthe pee make a wet mark on his pants.
ex.1
man1: dude you see that mark on that guys shorts?
man2: yeah dude he must be drippling!
ex.2
man1: hey dude ya peeing?
man 2: ya dude, you?
man1: yeah, hey dude wanna dripple with me?
man2: you mean where we don't shake and, and let the pee make a water stain in our shorts?
man1:YEAHH DUDE YOU WANT TOO?!!
man2: YEAH DUDE!!!!
A small, wet stain on a person's shirt in the approximate area of his or her nipple. Often caused by spilly hand-talking while the subject is intoxicated.