Somewhat like Sexting, when you have "sex" over texting, but having "sex" over xbox. Usually between male and female gamers but may be done by two males or two females.
I was just seXBOXing with this girl while we were playing call of duty! She had the hottest voice ever!
by seXBOXer September 25, 2010
The act of having sex while playing any xbox360 game
Dude me and Sandra were sexboxing last night.
by J l booney January 28, 2011