A very sexy nickname for the Xbox 360 game console. It was coined by fans of the console in order to express its superiority over other consoles.
Person 1: Hey, do you want to come over and play ps3

Person 2: Screw that! I think I'll just play my SexBox 360
by Hayden C February 19, 2009
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The act on ejaculating on a game controller and inserting it in a female's vagina
I gave Sally a sexbox today
by Thedumbestmanalive April 23, 2016
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The tradition of constant and neverending xbox lit every sunday.
"ITS SEXBOX SUNDAY!!!!!" -christian
by dylansnotlit January 19, 2023
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