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2. grumbo
they were playing music and you couldn't swear so we say mutha grumbo also known as mutha fucka so i guess the definition would be FUCKER
get up off yo ass mutha grumbo
1. Grumbo
The sensation of two midgets simultaneously biting the inside of your ass.
"Oh my god, Britney, I just fucked Jake last night. It Felt Like Grumbo."
3. grumbo
to take a poop,the act of deficating
after all the coffee i drank i had to take a mad grumbo
by ameecia May 26, 2005 add a video
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