The uncomfortable rash-like rawness that occurs between the thighs, within or just below the crotch region, as a result of too much sweaty friction.
Oh man, I should have worn underwear today...I've got terrible rotch!
by Der Steppenwolf March 20, 2005
A threatening individual abruptly approaches you to steal your wallet.
"Rotch your wallet!"
by rotchaholic June 06, 2004