1. Have four guys fuck a girl.
2. To run four World of Warcraft accounts on one computer on the same screen.
Me and four friends Quadboxed the shit out of that bitch last night.
4👍 1👎
simultaneously consuming four tabs of pornography on the same screen, while aggressively masturbating.
Bro I just fucking quadbox'ed so hard its gonna take my balls a week to refill.