X-on 

Slang for someone who shoots an exceptionally large volume of ejaculate, typically after intercourse, and especially when a huge mess on the sheets and bedding results. Is a reference to the much-publicized oil spill from the 1980s.

Girlfriend1: Yo, look at those sheets! X-on must have been here!

Girlfriend 2: Ya, I'll be cleaning up for days.

X-on by Shogun Xll March 22, 2007

X-Y-Z-E 

Between two people that are not exactly sure what their feelings are for each other. More then "Like", Not exactly "Love"

I dont know what it is. Maybe its love, maybe not. Whatever the case, I X-Y-Z-E you.

X-Y-Z-E by Your Girl January 9, 2009

x_x 

Letters forming a face that has "x" eyes. This is often used in animes and some cartoons, in which a character's eyes turn into "x"'s signifying embarassment, fright, shock, or little hope.

SuperDude: GO RICKROLL!

NormalDude: Oh noes...x_x

x_x by imafirinmahlazer March 24, 2009

x box 

Another way to say your ex girlfriend.

My x box bought me an x box. Or- My x box is a crazy bitch who fucks persian dudes in the bathroom at nightclubs.

x box by The Rodeo Clown October 23, 2009

x-mas noobs 

Newbies that just get a game on Christmas, go online, and get owned by the more experienced players.

I hope no X-mas noobs join our Halo server.

x-mas noobs by captain keyes December 4, 2003

X to the Z 

Xzibit

<BustaNut> You don't know what X to the Z is?
<PommyBastard> Alphabetical?

Eat with the lions, swim with pirahnas.

X to the Z by Bastardized Bottomburp May 4, 2003

X-SUX 

1) an unfunny play on words used to descrive Microsoft's X-Box

2) a term created by fanboys who most likely have never even tried the X-Box

I'm no fan of X-Box, but it is a good system. I'm certainly not going to lower myself by calling it "X-SUX."

X-SUX by DarkMatter October 12, 2004