A deformed creature who lives with a Jewish family in the 1940s. His family ends up getting captured by Gestapo, and is left all by himself in an attic.
Have you seen Grumbo lately? I heard that he's still hiding in the attic.
by Zephyr321 April 14, 2019
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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."
by Shoes Hee January 22, 2009
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something that's really fucking gross or abnormal.
Dude, look at this picture; look how grumbo those tits are lol
by watdafak January 11, 2016
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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
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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
by meelo grumbo April 04, 2009
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- exclamation - Made up gibberish to say to annoy one’s spouse.
I’m glad you got the vaccine. Tutu no grumbo!

You looking fine today, tutu no grumbo!
by Anal Sampans April 01, 2021
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