What is :x?
Used when someone has nothing to say/doesn't want to reply. Also used when someone has a comment, but doesn't want to say anything.
noob: ne hott guyz press 31 2 tlk!!
It's a shorthand text smiley for "my lips are sealed."
Person #1: I'll tell you the plan, but do not tell ANYBODY else.
Person #2: :x
Someone trying not to puke.
I think i'm going to be sick :x
It simply resembles a kissing face. The semicolon represents the eyes, and the X represents the lips. Its just a cute little kissy face.
Nick: Hey beutiful gorgeous.
Me: Aww arent you sweet.
Nick: You're sweeter love. :X
sending someone a kiss
eddie: I love you.
Aoann: I love you too. :X
To have an asshole for a mouth.
<Klingon> :x Fuck me in the mouthen!