After being deducted a point for a head butt in the fifth round, Fury began to surge.

WSJ: Tyson Fury stops Steve Cunningham to win US debut

"I can honestly say I didn't see it but Joe Simpson's nose looks like there was a head-butt, " he said.

BBC: 'Head-butt' compounds Quins woes

Wasps director of rugby Tony Hanks insisted that the referee had no option but to send Robson off if he felt there had been a head-butt.

BBC: 'Head-butt' compounds Quins woes

Wasps centre Steve Kefu had just fired a kick directly into touch when Robson became embroiled in an off-the-ball scuffle and aimed a head-butt at Wasps scrum-half Joe Simpson.

BBC: Wasps 26-15 Harlequins

Winger Jean de Villiers was banned for two weeks for a dangerous tackle during the 31-17 loss on 17 July, and a week before that, Bakkies Botha earned a nine-week ban for a head-butt.

BBC: South Africa coach hints at refereeing 'conspiracy'

Maybe as some kind of compensatory gesture, the movies have also lately given us the President as cartoonish action hero: Harrison Ford in Air Force One, Bill Pullman in Independence Day--the Commander in Chief as somebody who can do a nice head butt.

CNN: All The Presidents' Movies

And we're trying to make them understand that they're not all bad guys, but if you butt stroke one of them with a freakin' thing over their head, they're going to turn into a bad guy and not like you anymore.

NPR: On Patrol with the Iraqi National Police

Charlie Mulgrew was dismissed for an alleged head-butt on Kyle Lafferty before Rangers Madjid Bougherra saw red for a challenge on Jamie Langfield.

BBC: Smith upset by red card decisions

So, on a Friday night, shortly before its nine billionth airing of some episode of Beavis and Butt-Head, I got to make my national television debut alongside spasmodically obnoxious MTV personality Kennedy.

NPR: MTV, Kennedy and Me: Let's Begin to Heal