Top definition
A already smoked thrown away Cigarette, that is on the floor or in a public ashtray, that a bum or homeless person picks up, relights and smokes.
Homeless bum jay walking around the hood, found a half smoked Bum Butt on the floor, he picked it up, re lit it, and smoked it.
by Rik0290 January 28, 2009
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