n.stupid or ineffectual person, by 1971, U.S. slang, from numb (adj.) + nuts "testicles;" with suggestion of impotence. if (window.googletag) {googletag.cmd.push(function() { googletag.display('dcomMobileSERPDisplayTopAd-300x250'); });} else {console.error('googletag not defined, dcomMobileSERPDisplayTopAd-300x250');}