O Ring

a rubber ring used for paintballing equipment

my o-ring ripped on my co2 tank...

by dshfoei August 28, 2005

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o-rings

the little round rubber black stoppers for ear plugs and spikes.

damn it, I lost my O-ring and now my plug won't stay in!

by ashley February 01, 2004

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Blow an O-ring

Taking a huge shit to the point that it makes your anus hurts for hours afterward.
A bit of a rip on Challenger's explosion due to a bad O-ring.

"Dude, all that Chinese buffet is going to make me blow my O-ring."

Guy 1 "Why are you walking like that? Did you just Blow an O-Ring? "
Guy 2 "Ate some nasty food the other night...God it hurts!"

by HankHill August 07, 2008

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o ring blowout

From massive amounts of anal sex, sphincter muscle becomes so loose that ones shit falls out staining ones socks.

Bruce was speed-walking in the park Monday morning after a long weekend in Palm Springs, when he suffered o ring blowout. His butt hole opened the size of a fist, and a turd fell out staining his left sock.

by Bald Mikey December 30, 2011

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