The butt muscle that cuts off your poop and keeps the rest of your poop in your bung.
My anal sphincter is so lose that I can't feel myself poop anymore.
by Scott E. Irish January 3, 2006
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1) A delicate and imprecise act in which the partner about to engage in anal drilling for rectal exploration (in order to look for alternative energy sources; get your mind out of the gutter, people) gently massages his or her arsehole to stimulate, making small circular motions. Lubrication is strongly recommended, especially if you plan to dive in there later on using something else
2) A pain relieving cream for the anus once used in Southeast Asia; was taken off shelves for good in 1997 following a class-action lawsuit stemming from complaints that the directions didn't clearly state the cream should be taken OUT of the can when applied.
3) A grunge band from Seattle. Just not one of the good ones, like Pearl Jam or Alice in Chains. And no, they're not around anymore.
Steve: So, you tried anal with Maggy?
Joe: Yeah man, but don't worry; I was all about setting the mood with a good, spiritual sphincter rub. That, and playing the very best of Hall and Oates in the background.
by Snipediddy August 23, 2005
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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 26, 2010
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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
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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.

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!
by IrishEyez October 13, 2005
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A playful way to refer to an asshole; either actual or metaphorical.
1) My sphincter lilly hurts after pounding out a hot stack.
2) You drank all of my soda, you sphincter lilly! :(
by Rundas October 28, 2011
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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.
She'll probably ruin the party because she's so uptight. She's a 10 on the Sphincter Scale
by Chris Rickety Spritz March 24, 2017
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