To textually raise one's eyebrow as an expression of shock, bemusement, plain amazement or in any 'lost for words' scenario.

Similar to a combination of MSN ^o) and :| and :O, a generally mutli-purpose smiley!

Extreme usage on Active Worlds within SW City as the lingo of choice.

Other alias's are: o_0
Person A: OMG OMG OMG I want to marry you!
Person B: o_0
Person A: 0_o
by Mark Randall January 6, 2005
An expression of surprise used on Instant Messaging services.
Person One: I got a sex change!
Person Two: 0_o
by Zak September 6, 2003
bottled up excitement combined with frustration, sarcasm, asian persuasion, and deprivation. all of which are controlled by the cerebellum.
(after their first night together.)
girl: i think i love you.......
guy: yeh once you pop the fun dont stop!
girl: 0_o
by bankie barnes November 3, 2009
The eBay robot. Built in order to hunt down those that take advantage of e-auctions.
Dude, you better pay the shipping and handling or {0_o} will come and castrate you
by The Almighty Tofu Ninja January 19, 2005
Some stupid robot that's crazy...But then again >°) is cool3r.
{0_o}......>°)
"Chomp ate the crazy robot.
by Chompmeister January 19, 2005