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1.
Fan of Microsoft's game console. They prefer to suckle from Bill's cock whenever possible.
Yo nigga, you see that new Xbox game??

Yeah, it was cool. Not as good as suckling from Bill's johnson though.
by Bill Gates June 12, 2004
 
2.
Guys who are only looking out for themselves and not "For The Boys". Will go out of their way to rattle buddy's and inconvenience them.
Chris drove to the bar without me, such an X-Boy move.
by hobgoblin15 April 01, 2011