Inserting gumballs into the anus.

a whole lotta crap no-one wants to deal with, learn or say.

An acronym for the phrase, Goofy Ugly Mother Fucker. The word is used when it would be innapropriate to say, "Goofy, Ugly, Mother Fucker" aloud.

Obscence or without meaning; sometimes means an undefined swearword, making it possible to swear like hell at people who have no idea what the gumf you're saying. I'm not gonna put an example here because I already have ya lazy gumf.