o% 

otay. It was invented to shorten the word otay, which is short for okay. o=oh %=tayy

Hand me that waffle, plz" "o%

o% by Zoie McZoerpants June 24, 2011

/.o 

It's a dude covering one eye

Phil: baby I'm sorry

Lizzie: /.o no!!! Don't be sorry!!!

/.o by Phil, Archon of Death November 10, 2013

@_o 

asshole

He is such a @_o.

@_o by superlady September 23, 2014

(_o_) 

Ass hole pictograph

1. kiss my (_o_)
2. you be a real (_o_) man a. you like ass, b. you are an ass
3. lick my (_o_) bitch

(_o_) by Septhomas October 10, 2014

o// 

It is a head with one arm. The two slashes show the movement of the arm. So it's a way of waving someone as goodbye.

It has been around for more than 10 years but isn't used very frequently.
Often the shorter version o/ is used instead.

Frank: I g2g to bed now.
Lee: Okay, sleep well. Bye o//
Frank: o//

o// by l00n3y February 18, 2017

o/ 

Is the same as saying "Me", "here"

Who wants something?

o/ (me)

There is someone who speaks esperanto?

o/ (here)

o/ by Brazilian Prophet August 7, 2017

:O 

When your surprised in a multiplayer game or you want to act funny so you type it in the chat.

Guy One- WOAH THAT OmgyaboiplayzYT123 GUY JUST MOVED TO THE TOP OF THE LEADER BOARD WITH A 79 KILL STREAK
Guy Two- :O

:O by Ylesmay May 9, 2018