a smelly, gross vagina sweat that is formed during sex.
Guy 1: How was she in bed last night?
Guy 2: It was great,except she dropped a schwub on me and it was nasty.
Guy 1: Gross!
A wrinkle on a man's scrotum
Referred to as: A ball wrinkle
Carl: Dude, I was just jacking off and I realized...I have so many schwubs, man!
Bob: Dude, just let me copy your homework.
Carl: No man, screw you.
Bob: Dude, don't be a schwub.