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

A Pre-watershed version of an "Arse Bandit"
James: Is he a...you know...
Dave: A what?
James: An "Bum Mexican"?
Dave: What are you? 10 years old?
Dave: A what?
James: An "Bum Mexican"?
Dave: What are you? 10 years old?
by Dohertylives May 20, 2008

blunts rolled out of paper grocery store bags
alot thicker then tabbaco blunts but look just like them
and alot easier to roll
alot thicker then tabbaco blunts but look just like them
and alot easier to roll
man i couldnt find a swisher so i had to cop a bum blunt
man she sucks at rollin sweets bum blunts roll hella easier
man she sucks at rollin sweets bum blunts roll hella easier
by lalalalalalalallallalalallalal November 10, 2009

Something that "hums" (stinks) which also comes from your bum. i.e farting..guffing, trumping...bottom vapours!!!
by BFREASH February 17, 2010

1. Pull out the yaoi and let the bum fudgin' begin!
2. I could hear the gays upstairs bum fudgin' each other.
2. I could hear the gays upstairs bum fudgin' each other.
by AlbelTheTwisted April 12, 2007

by Scary Mary2 January 20, 2007

Usually occurs the morning after heavy drinking and can be accompanied with actual barfing. Involves regular trips to the toilet with little or no warning.
Guy 1: Hey dude, awesome night last night but you were wasted!
Guy 2: Yeah, it got pretty crazy!
Guy 1: How you feeling today? Pretty hung, I guess?
Guy 2: Oh yeah, been having a serious bum barfing session all day.
Guy 1: I hate when that happens!
Guy 2: Yeah, it got pretty crazy!
Guy 1: How you feeling today? Pretty hung, I guess?
Guy 2: Oh yeah, been having a serious bum barfing session all day.
Guy 1: I hate when that happens!
by Joneman January 4, 2010
