Something that "hums" (stinks) which also comes from your bum. i.e farting..guffing, trumping...bottom vapours!!!
"Hey what's that awful smell"

It's Andy...he's got bum hum!
by BFREASH February 16, 2010
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Something that "hums" (stinks) which also comes from your bum. i.e farting..guffing, trumping...bottom vapours!!!
"Hey what's that awful smell"

It's Andy...he's got bum hum!
by BFREASH February 16, 2010
Get the Bum Hum neck gaiter and mug.
A sneaky maneuver by the police to arrest someone who would not normally place themselves in a situation to be arrested.
The "po po" called my homie Lil Icky to the "po po" car while he was holdin' some 'caine and hemmed him up for it. Lil Icky was hum bummed by the "po po."
by J.G. Turban July 14, 2008
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