After suffering from bum dew for a prolonged period, a small stream or river can form, know as a bum river. Light coloured trousers (pants if you're American) should be avoided.

A bum river can sometimes be seen on leather car seats on a hot day or when a lard arse (somebody who regularly attends weight watchers and McDonalds) attempts to exercise.

bum river by TW_h900 December 14, 2008

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Bum Grease

The product of swamp ass that collects at the top of your butt crack.

My terrible case of swamp ass left a bum grease stain on my underwear.

Bum Grease by Amber Adamson January 24, 2009

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bum nectar

juices that flow from your anal glands that are sweet in taste

while erik was licking my ass "bum nectar" started to run down his chin

bum nectar by big andy c May 8, 2007

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bum bandits

A slang term for male homosexuals, referring to their desire for anal sex with other males.

1st Guy: Dude, there goes captain fag and the bum bandits!

2nd Guy: Uh, that's Nick Clegg and the Liberal Democrats...

3rd Guy: Well duh, that's what he said...

bum bandits by Blasted Foreginers! May 2, 2008

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