a black plastic ring that slips in between a paintball guns c02 tanks, and where it screws into the gun. Acts as a "seal" so no c02 escapes.
My o rings broke and air is leaking from my tank.
by Shayz0r December 24, 2005
pritty much your asshole!
Damn, my oring hurts from takin that shit last night!
by Don Mitchell October 14, 2003
Another term for cock ring. A ring of either rubber or leather that is placed around the scrotum and penis to constrict the flow of blood to the male organ, allowing for larger, longer-lasting erections and more intense orgasms. Also worn to make the male pubic region stand out better, making the bulge in one's pants more pronounced so that other men think you have a bigger package.
I used a rubber o-ring that was too tight and my boner wouldn't go down. Now I can't get the fucking thing off.
by dicklicker May 23, 2003
Hey buddy don't push out that turd to hard,you'll blow out your o-ring.
by Ooogalie Boogalie May 22, 2003
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 January 31, 2004
referring to onion rings. particularly used when asserting a need for.
im so hungry. i could really go for o rings right now
by playap02 January 16, 2004
the black plastic rings used as backings for thicker gauge jewlry (usually plugs) worn by those with stretched ears.
My plugs gonna fall out if I don't get new o rings soon.
by Marsalis November 15, 2005