The reaction of your asshole to having cold toilet water splashed on it by a large piece of fecal matter hitting the water.
by Psypiral April 23, 2003
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A ringlike muscle that normally maintains constriction of a body passage or orifice and that relaxes as required by normal physiological functioning.
by mastershake211 April 14, 2006
Get the sphincter mug.full waxing of the vajayjay, completely bare, hairless, all of the hair on the pubic bone, lips, under undercarriage, including asshole hair, similar to a Brazilian Wax however there is no hair left, not even a landing strip
I need to call my esthetician and schedule a Sphynx, she's the best and she never leaves a single hair. I love my Sphynx, it so soft and clean, especially my undercarriage! When I get my Sphnyx wax, it doesn't even hurt when she waxes my ass hairs!
by Monarch Beauty August 20, 2012
Get the Sphynx mug.The natural reaction of your sphincter to contact suddenly and violently when you are embarrassed by something or —especially— FOR someone else.
"Did you see that TV show with the juggler who was performing for the Queen? Wow, I sure did have a sphincter-blink when he dropped all those balls!"
by wordbird June 29, 2006
Get the sphincter-blink mug.A birth defect where one has nipples or nipple like birthmarks on each ass cheek creating an image like tits for an ass.
by Coho1989 July 24, 2009
Get the sphinctertits mug.The process of becoming intoxicated through the sphincter. Requires far less alcohol to be ingested through the rectum than through the mouth to achieve maximum sphintoxication levels.
Jeffery stood on his head and funneled 2 beers into his rectum, soon becoming incredibly sphintoxicated.
by mrwordknower September 10, 2010
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