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

by Reichman July 26, 2006
Get a Clumper mug for your cat Helena.
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 30, 2008
Get the Clumper Muff neck gaiter and mug.
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 12, 2007
Get a chest clumper mug for your Uncle Callisto.
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 07, 2016
Get a Rusty Clumper mug for your guy Beatrix.
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 07, 2016
Get a Rusty Clumper mug for your mother-in-law Helena.