o.o; 

The ; is represented as a sweat drop.

See o.o

P1: OMG WOW HOW ARE U?!

P2: o.o;

o.o; by Wistful July 6, 2005

o.o; 

1. L0LZ NIGGA U DUN ATE MY CHEESE SAMMICH.
2. See cmcand vote thumbs up.

Bill: o.o;;
Ted: o.o;;

o.o; by Shawn July 24, 2004

o.o; 

A term in common use among otakus (see: dumbasses) and dumbasses (see: otakus). It is usually placed in a post all by itself when you insult said otaku/dumbass, or when you say something that makes them uncomfortable, or when you speak in passable English.

Average Joe: No, silly. You're supposed to press Alt and F4 at the SAME TIME.
Dumbassman: o.o;

o.o; by Josh Troyer August 23, 2004

o_O 

Confused, stunned, or weirded out.

o_O what do you mean?
o_O what is that?!
o_O Whoa wtf

o_O by DWBoy February 19, 2003

o////o 

An emoticon used to indicate the person is blushing, embarassed, etc.

person 1: zomg, do you really like him?!
person 2: um.. o////o

o////o by dfskdshjdsahdsa April 28, 2006

O_O!

Very shocked

You slept with a dog?! O_O!

O_O! by Leo =] April 14, 2003

o.o` 

an emoticon used generally to express confusion. The accent at the top is not a sweat drop, but rather a raised eyebrow.

AKA: o_o` o.O

peep1: So I says to him, I says "dude" and he was like "check it, man"...you know what I mean?

peep2: ...o.o`

o.o` by St0DaD May 4, 2007