The lint from your underpants that gets caught between your butt crack and cemented together by sweat and natural body grease concentrated around that area.
Someone would say: Every time I have a shower and watch my butt crack I get bum fodder on the washer.
by The Typical Aussie Bloke June 27, 2009

When a person uses this phrase it is usually used to make fun of someone else's weird or diformed face.
by Anthony Peters October 13, 2006

by Lake & Lyken May 12, 2011

killer bum is a game played by shaking your bum and chasing unsuspecting victims while running backwards and screaming KILLER BUM KILLER BUM!
by Candybum April 16, 2010

by bumfluffgirl21 May 16, 2016

by Jack "the Jackson" Jackson December 7, 2006
