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Muscle of the anal opening. Can be easily ruptured through violent anal sex.
Sorry if my 12-incher tore your o ring.
by MegaMan_C_ February 09, 2004
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Dec 1 Word of the Day
"Man fuck Donald trump, he wants to build a wall and don't pay taxes!!"
by January 30, 2017
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2
The seal around a person anus.
She road the bone rollercoaster so much her o rings are blown. Causing skid marks in her panties.
by kagent November 23, 2005
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3
1. (slang) sphincter
2. (normal) a rubbery gasket used to seal a connection between two pipes. The o-ring is squished between two flanges, forming an air-tight seal.
Don't push too hard or you'll bust your o-ring.
by Khashishi April 20, 2010
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4
your brown eye, bunghole, or the muscle that holds your turtle head in.
dude i just took a massive dookie, i almost blew my o ring
by longhairedwizardwithlazyeye August 25, 2008
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5
Anal muscles.
1. My O-ring is a virgin.
2. If you don't slow down, you'll blow my O-ring!
by The nazi of Yatzee November 07, 2002
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6
a round seal, often made of neoprene or some other compressible "rubber-like" compound, that is an industrial part.Looks like the part of a condom that unrolls before you actually unroll it. Can be used as a cock ringif you get the right size
"My buddy's a mechanic, I went thru his box of assorted O rings and found the size I can use as a cock ring. Nancii's gonna beg for mercy tonite !"
by Jake March 06, 2004
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