also head-butt, by 1946 (v.), from head (n.) + butt (v.). As a noun, recorded by 1967. if (window.googletag) {googletag.cmd.push(function() { googletag.display('dcomMobileSERPDisplayTopAd-300x250'); });} else {console.error('googletag not defined, dcomMobileSERPDisplayTopAd-300x250');}
Liberal Dictionary English Dictionary