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
2 more definitions
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
SEXBOXING IS WHEN ONE PERSON TRYS TO HAVE CYBER SEX WITH ANOTHER PERSON ON THE XBOX 360 GAMEING SYSTEM
HAVE U HERD BOUT JIMMY SEXBOXING ON HALO REACH LAST NIGHT
by SEXBOXINGFANATIC September 08, 2011