A person who urinates in litter boxes.
Blackpool the Clumper pee'd in his friends cat box while drunk!

by Reichman July 26, 2006
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A woman who has such a hairy pussy that through tight cotton spandex it appears that she may have a cock and balls.
It that girl packing meat, or is that simply a stubborn Clumper Muff??
by AD218 July 31, 2008
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the act of take a dump or pooping on someones chest.
"You gonna get a chest clumper"

"The chest clumper was a little nasty but errotic"
by Mia Queefington November 13, 2007
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To take a rusty hammer, shove it in your poor victim's vagina, and rub shavings off of the hammer and into the vagina, and proceed to eat them.
Friend 1: How was last night?
Friend 2: Great, I fucked and gave her a rusty clumper!
by CLA_Bootymaster July 8, 2016
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To take a rusty hammer, shove it in a poor victim's vagina, rub shavings off of the hammer, and proceed to eat them.
Person 1: Dude, how was that fuck last night?
Person 2: great, I gave my girlfriend a rusty clumper.
by CLA_Bootymaster July 8, 2016
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The act of two men (preferably English and Italian) laying in such a position their arseholes are touching for sexual pleasure

The act is in no way homosexual
Me and Vito strafino were clumpering last night
by JosephFreaky September 4, 2024
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Taking a shit then giving some one a swirlie
He gave that nerd “the clumper”
by Thatsmessedup December 13, 2017
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