when semen drips from a girl's vagina into her underwear hours after she has had sex.
Sandy just had to go home and change her pants because the panty chum soaked through her thong.
by thebiggestasshole July 05, 2011
The crusty leavings inside a girl's panties.
I was banging this girl last night and when I took off her underwear they were smeared in panty chum.
by MungEnthusiast June 28, 2011