1. Somebody who wears jeans that are too tight (bun tight)
2. Something that sucks (it can be said to chaffe your ass like a pair of bun pants)
2. Something that sucks (it can be said to chaffe your ass like a pair of bun pants)
by Jimmy Flackanater December 17, 2003
Get the bunmug. by candlefacedspunkystreet June 20, 2007
Get the bunmug. by Baz June 18, 2004
Get the bunmug. by VinuDesi May 13, 2005
Get the bunmug. 

