O-bummer

An emotion not unlike depression brought on by the realization that you voted for Obama due to white guilt, and now you're going to get screwed because you're not "ethnic enough" for change.

Larry the anglo-american construction worker finds out his firm is letting him go for more "ethnic" workers as part of a bailout package his employer and union will be receiving. It doesn't matter that the people being hired are underqualified, they're the right color. He's experiencing an "O-bummer".

O-bummer by mja2001 January 26, 2009

O.I.N.C. 

Acronym for a lesser-known Marketing Demographic: One Income, No Children. Applies mainly to 20-30 something single men with no family obligations who spend all of their incomes on video equipment, stereo equipment, "Stuff" Magazine and designer beer.

Brad is such an OINC; he has 1000 CDs and three game systems but no girlfriend.

O.I.N.C. by amanda April 23, 2003

O'Deval 

The definition of the word "O'Deval" is a word who is a synonym for a hot chik/girl or a amazing event.

"O'Deval" can also be used insted of the word "shit!", but this is rare.

The word "O'Deval" is a shouting word like An exclamation mark or exclamation point (!) is a punctuation mark usually used after an interjection or exclamation to indicate strong feelings or high volume, and often marks the end of a sentence.

You can also just use "Deval" or "Deval's" and some might say "Biggy Deval"

eks: "O'Deval! look at that hot girl!"

or

eks: "O'Deval! i'm going LA"

or

eks: "O'Deval! that's strong dude!"

or

eks: "look at that Deval!" or "have you seen any Deval's lately?"

or "Dude that's a Biggy Deval!"

O'Deval by 90's h4x0r D.Que aka Gilbert February 1, 2010

O-Turn 

Two consecutive U-turns or a 360 degree turn.

You're driving and think that you're going the wrong way so you do a u-turn, as you are doing the u-turn, you realize that you were actually going the correct way in the first place and so you do another u-turn, hence you have done an o-turn.

O-Turn by bagpussinboots February 13, 2012

O'Hanlon Distance 

The O'Hanlon Distance is the distance measured between the midpoint of both mouth and genitila for the purposes of calculating optimal groupings for 69 and other geometric based sex positions.

Nose to nuggets and lips to lips.

The O'Hanlon distance between the basketball player and the midget was sub optimal.

O'Hanlon Distance by 3rdfloor January 30, 2014

o’neal 

Extremely competitive dude, never gives up and has a very rich package

Dude, that guy is such an O’Neal!

o’neal by Jackinthebox November 16, 2017

O.T.N 

O.T.N - a slang word for penis. It originated in Giga-p's original song Gigantic O.T.N.

It comes from the word "Ochinchin" which is slang for penis in Japan. When O.T.N is pronounced out loud it sounds like "Ochin".

"What's that song's name?" "That's Gigantic O.T.N."

O.T.N by pgxpg5naf May 8, 2019