Definition of "headbutt" []

• A sharp blow delivered by driving the head into the opponent, generally by lowering the head and charging forward or by rapidly tilting the head backward and then forward. (noun)
• To deliver a sharp blow by driving the head into an opponent. (verb)

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• "Wilkes lawyer Abigail Rogers argued that the headbutt was the only way her client could defend himself after being restrained by other parents."
• "Chavanel won for his aggresiveness narrowly ahead of Mark 'headbutt' Renshaw and Carlos 'Front wheel' Barredo ......"
• "Mitchell Johnson fined over 'headbutt' clash Australian pace bowler Mitchell Johnson has been fined 60 percent of his match fee after his clash with New Zealand's Scott Styris was deemed"