1 definition by phiom.com

Bumby
pronounced: bum - bee
otherwise known as that bubonic chronic. Can also be referred to as "Bumby Quat".

etymology: beleived to have originated in the chi-town. It is also beleived to have been coined by a man known as A-Jilla the Real Killa. The full terminology, "Bumby Quat" is believed to be derived from the phrase, "Bum, be quiet." However, the reason for this is not yet known.
"smokin some of that fire bumby."
by phiom.com March 29, 2004
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