Fusion X 

one of the worlds greatest hackers

also known as Hellfreeze

Company "omg we got haxxor'd by Fusion X"
Boss "oh noes was it backed up?"
Company "yes but he hacked our filing cabinet too!"

Fusion X by Leon Francies January 1, 2008

Fusion XL 

One form of humus, which can be distinguished by the baggy echo wear and wigger-like tactics.

The one in England.

Fusion XL by Shnoop June 3, 2004

Fusion XL 

12 year old wigger who runs GFXUnit.com and is the biggest 50 cent dick rider ever

Fusion XL is a wigger...yep..

Fusion XL by xtremet December 9, 2003

FusionX 

HomeWrecker's bitch. Nothing can or will change this.

FusionX enters the building.

FusionX by FusionX January 18, 2004