:] 

A smileyface that can express happiness just like :), but further emphasizes contentment with something achieved, especially proudness of one's own work.

John: Hey, looking forward to spending our evening together! :)

Paul: I just got an award for my new YouTube video! :]

:] by Smilerz26 November 26, 2011

:] 

It's an online symbol that looks like a smiley face

A lot of people use :] in aim

:] by claustrophobic chicken February 2, 2005

:] 

A sideways smiley face used over the internet. Used to show happiness.

Boy: Hey :]
Girl: What's up? :]

:] by someone[: June 23, 2008

:] 

A way cooler smiley face that uses brackets instead of parenthesis.

What's up?

Nothing much, you?

Oh, here just studying.

Cool. :]

:] by The Hit September 7, 2009

:] 

emoticon/smiley used instead of ":) or =)" becoming more popular lately. many people are using this :] instead of :) because it's just pro like that...
used to show happiness, or if you were talking in person a smile...
commonly used on email, chat, facebook, myspace, twitter, aim, msn, etc.

anyonym: :[- showing sadness...

"Heyyyyy long time no see eh:]"
"ya we shud hang out sumtime :]"

:] by whyhellothare March 30, 2010

:] 

A smiley used if your a sexual predator

Dude wanna come in my van :]?

:] by ControlledHate May 3, 2009

:] 

The shit-eating grin smiley emoticon.

I won gold at the Olympics :]

:] by GTFML May 14, 2015