xbomb 

Of or referring to the numerous failed first party/exclusive third party games that Microsoft has put out in an attempt to compete with Nintendo's superiority

Tao Feng, Blinx, Kakuto Chojin, Brute Force, etc..etc..

xbomb by Anonymous July 1, 2003

X-bomb 

You take ecstasy earlier, and then you fart and an ejaculation comes out instead

I took some molly at that party last night and I totally x-bombed myself

X-bomb by Trainer_Yarn January 10, 2015

X-Bomb 

A completely spontaneous urge to shit that has no "holding" potential. You feel it, and you have literally seconds to find somewhere to put it. The actual shit is usually more gaseous and wet than solid doo-doo, and typically explosive. (The term can be used as both a verb and a noun.)

verb: That Thai food was fantastic, but it made me X-Bomb nine times the next day.
noun: I had 12 seconds to find a toilet to release my X-Bomb into, and I couldn't find one. Now I need to change all my clothes.

X-Bomb by MC Hammerhead April 27, 2006

Xanax Xombie 

Someone who's dosage is too high, with a resulting stupor.

Geez, did you see her in class? She was practically comatose. Total Xanax Xombie, man.

Xanax Xombie by flyingdog November 17, 2009

xoomble 

To move around in a circular motion at extreme speed, with your arms straight out like a plane.

My little cousin just xoombled down the stairs with my underwear on his head!

xoomble by Kris10 and t33nuh December 16, 2007

xbob

When you modify your Xbox to run unsigned code, it becomes an xbob.

Take a look at my fresh-modded xbob!!1

xbob by HentaiGeek January 31, 2004

xombie 

an on-line flash series created, animated and written by James Farr.

plot centers around a post-apocalyptic wasteland where a hybrid vigilante zombie named dirge battles the undead, while trying to protect an amnesiac human girl named zoe. utter coolness ensues.

check it out. really. if only for the zombie sharks and cool background music.

xombie by dagger_grrl May 8, 2004