Top Definition
Pronounced "mahl-banyo", this is the term applied to a smelly bathroom after someone drops a particularly offensive toilet bomb in it.

"Dude my girlfriend's so pissed at me for making a malbano at her mother's house on Christmas. I dropped a three-flusher in there and my ass feels like I had a baby."
by chris_z December 08, 2005
5 Words related to malbano

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