1 definition by Errol Flynn

A complete and total asshole. Beyond the realm of bastard or shithead; a knellerhead is a title given to those not only showing exceptional skill in being a total prick, but taking above-average enjoyment in their dirty deed. To appropriatly call someone a "knellerhead" they need to be at least an asshole, but have at least a hint of malice in their actions.
Damn, man.. get a sense of humor. You're SUCH a knellerhead.
by Errol Flynn February 27, 2005

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