When you pee and fart at the same time. Almost like a shart, but with pee. When it happens, your pee comes out along with your fart. Usually only happens to girls.
(Girl 1 )- HAHAHHAHAHAH ! What a funny joke !
(Girl 2)- HAHAHAHHAHAHAA I KNOW RIGHTT !
(Girl 1)- CRAP ! I just feed my pants !
(Girl 2)- HA! sucks.