The gramatically 'correct' way of saying 'Mudda cunt' i.e. it's really supposed to be "Mudda's cunt" but for convenience the apostrophe is omitted.
Initially used as an even ruder, cruder and lewder way of insulting one (by insulting one's mother).
Probably derived from "yo mamma" jokes.
Considered VERY degrading.
But now it is used in common parlance very loosely i.e. appropriate for use in any and every sentence.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.