Munchies that you get after having sex, instead of after smoking pot.
One usually goes for high carb snacks, as to replenish after using them all up during intercourse.
Joe: do you have any chips or something?
Jane:Why, we just had sex like 5 minutes ago?
Joe: I have Post-Sex Munchies, I'm starved!
by EMT-chick09 July 19, 2011
Get the Post-Sex Munchies mug.