O-Turn

When one sexual partner is about to reach climax before the other, and is strongly encouraged to turn back from his or her orgasm, and wait for the other partner to reach a similar level of arousal.

No! Pull an o-turn! I'm nowhere close!

by fif-n-lace March 13, 2011

Say-o

When you type you have a typo, and when you speak and make a mistake you have a sayo.

I was speaking and had a say-o cause I messed up and my wording

by Trapfulx March 24, 2017

O on the Go

Getting an orgasm while traveling. Generally one person is driving while reaching over to finger fuck the other, but any act of O-ing while traveling would be considered an O on the Go.

"On the way to the airport I want an O on the Go. ::Insert antsy wiggling around/touching self:: "

by Mia Wallace** July 22, 2008

All-O

When you are all that. A person or creature in possession of substantial "dat" levels.

"You showed the magnamalo that he not All-O."

by MH-Bro May 04, 2021

GNARKiLL o

This is a kid who plays gamebattles and is top 1 in runescape ladder.

Got the 2009 trophy for runescape clan games

GNARKiLL o plays runescape

by QuantumGB July 13, 2011

Big O

The face of suprise somebody makes when you abruptly shove something into their anus.

When I shoved my penis into her ass, she did a Big O.

by SigiaZ August 23, 2011

K-O

1. When you knock someone out.

2. When u're knocked out

1. The K-O (knock-out) of Badr Hari was wonderfull!

2. Im totally K-O

by desibabe July 04, 2009