x: 

"My lips are sealed" Simple as that.

Marie: I just took a boy home last night, we sure had fun! He had a big...

Susie: ...

Marie: Don't tell anyone...

Susie: x:

x: by Linkzie July 5, 2006

x] 

smiley, which is growing to be popular.

person 1: hiya
person 2: im so happy x]
person 1: why?
person 2: cause cause.
person 1: ur frigg'random, it makes my head hurt x]
person 2: ouch!

x] by mtc/melissa/newbie September 7, 2007

x; 

It's a combination of the 'wink', (; and the 'my lips are sealed' x:

Susie: Where are you going...?

Marie: !

Susie: ... Meet someone...?

Marie: x;

x; by Linkzie July 5, 2006

:x 

-When you've said something you don't think you should have said.
-Emoticon for a kiss

person 1: "My boyfriend isn't talking to me much lately :("
person 2: "That's good :x"

Person 1: "Aww, Ily :)"
Person 2: "Ily too :x"

:x by ThoughtsofDarkness October 4, 2009

:-X 

An emoticon meaning oops

:-X i did it again

:-X by HAYYYYYYYYYYYY June 14, 2009

X[] 

XBOX. An abbreviation for XBOX for extremely lazy people. Really, it only saves you from typing 1 character. Can be used as X or X360 (XBOX 360).

Person 1: Dude, do you have a X 48 hour card?

Person 2: No, and BTW, you're cheap and lazy.

X[] by HellaSpencer August 16, 2010

x] 

The coolest emotion ever.

Cool kid: x]
Cooler kid: That is not my job! LOOL

x] by JESSISCOOL August 14, 2009