sphincter

a muscular ring that closes a bodily opening

I had to shit the runs during the whole date with that babe last night. I kept thinking "Sphincter, don't fail me now!"

by King Shit January 19, 2003

sphincter

muscle in ur bumhole that acts like a railroad switch tie to direct the output

1.if u tickle my bumhole, i may poop, or fart
2.I was peeing and my sphincter caused me to flatulate

by kal August 9, 2004

Sphincter

That's your butt hole.

Me: Do you have a sphincter?
Abraham Lincoln: Ye, verily.

by Nimic April 16, 2006

sphincter

The muscles in your ass used in the process of taking a dump.

"Ross jumped over a barbed wire fence and tore his sphincter."

by Dave Butler June 1, 2006

sphincter

ring of muscle on crevis

chip takes it up the sphincter

by botaf November 11, 2003

sphincter

A ringlike muscle that normally maintains constriction of a body passage or orifice and that relaxes as required by normal physiological functioning.

I cant think of an examplefor the word sphincter.

by mastershake211 April 14, 2006

Sphincteritis

A viral infestation of asshole behavior. Extremely ubiquitous. No known cure but sure working on one.

Jeff was suffering from a severe case of sphincteritis

by Dr. AntiSphincter May 17, 2010