\o

Wavin' man. Can be used to say hi or to get attention.

Bush: EY!
Blair: \o

Can also be mirrored, but the meaning is the same

Bush: EYEY!
Blair: o/

\o by Jellies January 11, 2007

\o

Symbol for the Nazi Salute.

SEIG HEIL MOTHER FUCKER \o \o \o

\o by RudolfMagnusson September 13, 2022

\o

A shorthand for doing a Nazi salute.

\o
Heil ....

\o by thefaggotkiller123 March 28, 2023

\o/ 

A smiley of a cheering guy throwing his hands in the air, expressing great happiness. In a rare case, it can portray someone throwing his hands in the air in exasperation or panic.

1. YES! My new computer has arrived! \o/

2. Dammit, I have loads of work to do and tomorrow's the deadline! \o/

\o/ by Fluid August 26, 2003

O 

The letter fucking o. Are you that bored?
Or you just smashed your keyboard but only a o cane out?

Pee pee POO POO

O by 🙇‍♀️🙇‍♀️🙇‍♀️ October 15, 2019

O 

Something someone says when they're too lazy to type "Oh".

Person 1: Sorry man I can't go to your birthday.
Person 2: O

O by DylanPaterson July 7, 2019

:o 

The act / face of being surprised.

OMG I didn't know he did that! :O

:o by Jak Dude May 5, 2005