by JR coolster July 04, 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 16, 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
"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
An insult you use when someone is being a douche bag or won't do something for you.
by Brikalyn January 08, 2014
by AAaaalRightythen March 07, 2008
by TurtleGamer1993 June 20, 2015