o ring

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 October 16, 2008

THE O-RING

starring Preston Parker, John Smalls, and watch them rip and shred these assholes to pieces

Preston Parker, John Smalls have 5000 horsepower of Anal Destruction in the O-Ring

by stew piddasso October 7, 2006

O-ring

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 7, 2002

Blown "O" Ring

This lovely problem occurs after a fun "filled" night of anal sex. Looks like a pink sock hanging from the anus.

Blakes mom hesistated to have anal sex due to fear of a blown "O" ring but could not resist.

by Johnny Jizzem April 21, 2008

O Ring

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 6, 2004

blown o ring

Its what happens when you fart so badly that the thick layer of skin is a.k.a leather donut) is ripped and shredded to peices usually caused from to much anal sex

He got blown o ring did you hear him fart? I can tell by the sound

by camping buddy June 11, 2017

Oklahoma O-Ring

The act of sodomising a colostomy hole; a homosexual male couple that enjoys regular anal intercourse may find this act necessary after one or possibly both of the couple recieve a colostomy procedure.

A certain individual had colon cancer and he now is required to gain sexual pleasure through penetration of his colostomy hole(Oklahoma O-Ring).

by JoshKPhilC February 7, 2008