"masturbate" (or the sound of it), slang, by 2001, echoic. Earlier, "drunk" (late 16c.). if (window.googletag) {googletag.cmd.push(function() { googletag.display('dcomMobileSERPDisplayTopAd-300x250'); });} else {console.error('googletag not defined, dcomMobileSERPDisplayTopAd-300x250');}