Definition of "head-butting" []

• Present participle of head-butt. (verb)
• Alternative spelling of head butting. The act of striking another with one's forehead. (verb)

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• "But it is, perhaps, worse if they aren't, because that means that the expectation of adversarial journalism, characterized by head-butting, screaming, and the slanderous hurling about of prepackaged talking points has infiltrated our system to the point where we can no longer even recognize it."
• "Jim Parsons of The Big Bang Theory is having a blast in his Broadway debut as Tommy Boatwright, the Southern queen who keeps peace among all the head-butting personalities of a volunteer organization drowning in sorrow and anger."
• "In the 18-year history, even back in the crazy days when you were talking about groin shots and head-butting and everything else, there's never been a death or serious injury in the UFC."