by JR coolster July 31, 2013

A congenital deformity in which the buttocks can open up like the shells of a clam, with anus inside as a clam would be inside clamshells.
He dropped his shorts and then made everyone in the locker-room pass out from the sight of his clamshell anus.
by wiginpen February 15, 2004

The sensation that one's sphincter is actually aflame, usually occurring after eating bad tex-mex, taking a really nasty shit, or pulling the Steve-O Bottle Rocket stunt from JACKASS NUMBER TWO...
GUY1: Dude, why did I have to go to Chipotle on my lunch break? Now I've got to sit through this board meeting with my heinous anus! My Asshole must look like a cigarette burn on the Sunday morning comics!
by Mjolnir12982 April 18, 2010

by Brikalyn January 8, 2014

"Look! Did Kate just shove that huge cactus up her anus?!"
"Yeah that's a Cactus in anus all right !"
"Yeah that's a Cactus in anus all right !"
by Hycelot July 31, 2016

by AAaaalRightythen March 7, 2008

by TurtleGamer1993 June 28, 2015
