One butt-cheek with an abnormal size and shape. The cause is from petting Giraffe tongues. Another cause is eating pretzel and cherrios at the same time. Side affects of Bum Disease are excrutiating pain. Feeeling an overwhelming attractivness to Mr.Collins. There is only two ways to cure this unfathomable disease, you must look pictures of sexy nerds and Mr. Darcy. from Pride and Prejudice .
by Fredwardmoo February 4, 2009

Old Rotten Food gathered together from different places, of different varieties. spread out in a chum line, leading to a garbage can. Full of half eaten food, for the bums.....
by Muggles May 27, 2009

by Asian Spice September 5, 2014

by petedude101 May 28, 2006

by Jez & Jackie May 13, 2005

a fruity alcoholic beverage favoured by shirt-lifters. Malibu or tia maria or some fudge-packer drink like that.
"ooooh quentin, shall we have a swift half?"
"oooh no barry, beer gives my fragile feminine stomach terrible upsets, lets just have a malibu eh?"
"hmmm me too. Two shots of bum rum, barman"
"oooh no barry, beer gives my fragile feminine stomach terrible upsets, lets just have a malibu eh?"
"hmmm me too. Two shots of bum rum, barman"
by original jimster June 30, 2009

by Cody L March 14, 2007
