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!

o-rings by ashley January 31, 2004

O-rings 

when you're taking a dump and after the first flush, the toilet floods and the long turd with the tip sticking out of the water paints circles on your buttcheeks as it's spinning around

sorry i took so long in there, had to do a bunch of paperwork regarding some O-rings

O-rings by Big_Brown_Brat November 28, 2021

o rings 

The seal around a person anus.

She road the bone rollercoaster so much her o rings are blown. Causing skid marks in her panties.

o rings by kagent December 28, 2005

o rings 

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.

o rings by Shayz0r December 28, 2005

o rings 

referring to onion rings. particularly used when asserting a need for.

im so hungry. i could really go for o rings right now

o rings by playap02 January 16, 2004

o rings 

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.

o rings by Marsalis December 23, 2005

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!"

Blow an O-ring by HankHill October 2, 2008