When a man puts his hard cock in another persons anus and fucks it without going too far into the rectum so as to surf the anal sphincter.
Sphincter surfing works best when the penis is pulled out of the anus then put back in again repeatedly in fast succession.
by Dontbeusinyourrealname November 29, 2010

The ripping or tearing sound that is caused by a quick release of gas from the anus, otherwise known as a fart.
I thought Jason tore his pants today at work but I later realized it was his clapping sphincter as the pungent odor tickled my nose hairs.
by Wes L November 12, 2005

1) literally the act of deep penetration through any orfice, that is deep enough to contact a sphincter of any kind.
2)A meaning of severe mis-fourtune or bad luck, extremely worse than just being screwed, or fucked, or fucked dry.
2)A meaning of severe mis-fourtune or bad luck, extremely worse than just being screwed, or fucked, or fucked dry.
A)Holly shit man, did you see that girl get sphincter fucked, i can't believe she took all 14 inches of that!
B)Damn IRS, they really sphincter fucked me this year!
B)Damn IRS, they really sphincter fucked me this year!
by IrishEyez October 13, 2005

1) My sphincter lilly hurts after pounding out a hot stack.
2) You drank all of my soda, you sphincter lilly! :(
2) You drank all of my soda, you sphincter lilly! :(
by Rundas October 27, 2011

Some people are very {uptight}. They are tense, anxious and often very controlling or argumentative. What's important is their effect on other people. People's blood pressure goes up. Conflicts arise. Uptight people high on the sphincter scale cause are so tight in their rear-ends, that they cause tremors wherever they go.
by Chris Rickety Spritz March 24, 2017

The anuses uncanny ability to sense when a toilet is near by. This is most apparent when embarking on a long trip home, knowing that you need to poo. The sphincter will not let the poo crown until you are seconds away from a toilet, saving you from ruining your pants.
by Catatafish22 September 13, 2011

noun (slang); An allusion to the Richter Scale which, instead of measuring seismic activity, quantifies the magnitude of undesirable aspects. One of many colloquialisms used to define this magnitude (synonyms: suck-o-meter, dick meter, fail scale, et al).
"I give this whole thing a Sphincter Factor of about 9.5!" -- 'Hippy' (Todd Graff) in The Abyss (film, 1989, dir. James Cameron). Possible origin.
by Rancorr Blackmane August 5, 2009
