fly bum

"Man that guy is so fly bum, check out his trainers and his dog"
by Stu Brandom May 26, 2004
mugGet the fly bummug.

Bum Bum Fly

Any flying insect which can be found hanging around the anus of cattle / sheep and / or welshmen.

Have been known to descend to feast upon shite from said critters arses.
Look at the way the bum bum fly just hangs there...
by urbankhaos May 06, 2003
mugGet the Bum Bum Flymug.