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.
The ceremonial bells used by gümfe (the plural of gumf) during traditional festivities and rituals. The bells are very important to the gumf culture as the bell distinguishes one gumf from another. For every stolen cookie the bell gets an extra engraving.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.