To define something as "cooler" than the norm. Originally used for outrageous sports and death-defying stunts, "Xtreme" has managed to find its way into nearly every marketing campaign in America: deodorant, beef tacos, soft drinks, and even duct tape (I swear).
"Yo! That cardboard-flavored burrito is Xtreme, cuh!"
by Hotdamnsumbitchie March 12, 2003
A way that hot topic-core kids express something was cool in their opinion

"Man that good charlotte concert was Xtreme!"
by Cate Ryley November 4, 2003
Something one says when excited or something is exciting...
"It's Xtreme! Stick it in your face hole!.."
by Jupi February 22, 2003
The 4 man Kliq that live around The Western suburbs,also referred to the as the AWA (Arab/Assyrian/American-Australian with attitude).
by Death13 June 12, 2003
Xtreme: The most stupid person on irc. Big bender who is a Prick. Spoilt little Bastard
Xtreme: I rule
Fil11: No you suck dog penis
Xtreme: I am fat
Film11: Yes you are!
by Film11 October 17, 2004
A stupid faggot who goes onto irc alot and is fat and ugly and has no dick!
Xtreme:am i ugly
Icepick: Yes you are!
by Icepick November 21, 2004
This can describe anything in any positive way, really. It just sounds really dumb, and if you use it in any context, everyone who hears you will assume that you're an emotionally handicapped chimpanzee.
That bagel is xtreme!
That lightbulb is xtreme!
That pair of shoes is xtreme!
by ThatsBriskBaby June 6, 2005