A term used to describe anybody in an internet chatroom who wants to pick a fight.
"I was in Google chat last night & some fucking Laptop Lancelot kept trying to start something with me"
Meaning somebody who is j-u-s-t THIS side of heterosexuality, a borderline bisexual. Based on the 100% scale. (51% / 49%)
"Hey dude, you reckon that Robbie Williams & Sigourney Weaver are fiveonefourniners??"....
"Pretty sure on SIGOURNEY dude, as for ROBBIE.....he's debateable"