by Thank you cum again! December 7, 2017

by the Paintman January 18, 2005

the muscle that you contract to get the poopy out. used by mike myers in wayne's world. see example below.
wayne: "ass sphincter says what?"
noah: "....what?"
wayne: "a sphincter says what?"
noah: "........what?"
wayne: "exactly."
noah: "....what?"
wayne: "a sphincter says what?"
noah: "........what?"
wayne: "exactly."
by i look like napoleon July 11, 2006

the act of placing one tongue inside someones rectum. and massaging around the insides and walls of the rectum. also known as an ass pash
Oi, bro my wife cleaned my ass by giving me a sphincter licking massage.
toni likes it when evan is sphincter licking her!
toni likes it when evan is sphincter licking her!
by pussayyyyy November 22, 2011

by itsmemike February 16, 2009

Some would say quite similar to the asshole, the anal sphincter is like a little drawstring that loosens and tightens up your asshole when things are coming in and out of it.
My grandma has shit constantly flowing out of her asshole, she must have a problem with her anal sphincter.
by Tor Coolguy January 23, 2005
