Top definition
An oversized 'butt plug'. See 'Butt Plug'
by MKULTRA July 07, 2013
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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2
An alternate name for a demon (or "pinky demon") in ID Software's original Doom game series.
Blood and viscera flew everywhere when I attacked the group of butt monsters with my chainsaw.
by Timotheus325 January 21, 2009
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3
Someone who is being either annoying, inappropriate, or an asshole.
Suck vage, you're being a buttmonster.
by poopcock November 18, 2007
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4
David: "Chris.......no matter what, you always seem to have sex with that chick in the butt."

Chris: "I know dude, that's why we call her the butt monster!
by jj887732 November 10, 2006
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5
Usually a girl who is obsessed with butt holes. Also could be a girl who farts often and loudly.
by VerySmartAndTruthful March 10, 2019
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