A portmanteau of the words "bruh" and "mumble."

A manner of street-speaking among males that involves heavy use of slang, especially terms of endearment such as "bruh, man(g), homie, etc." but is spoken very fast and with a soft spoken voice, making it sound like mumbled slang terms, especially if alcohol is involved.
"The party was chill until a group of douchebags pulled up completely shitfaced, just bruhmbling to each other about how small their dicks look in their giant pickup trucks.
by Alienjiz1990 February 6, 2022
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