A fat munch is an absolutely delicious meal.
Michael: Bro I'm not giving you any money
Max: But I need it to get a fat munch!
a sly munch is when u punch someone when they aren’t looking, typically pretty dirty and meant to cause an injury
i sly munched dwhipper in his clapped head
mainly used to interrogate those chicken munchers.
Officer:Alright Which one of you chicken munching basket ball playing african monkeys did it?
Black Suspects:It wasn't us man!!