Top Definition
Someone or something of such disgusting quality that you want to vomit, or else scream Gnarlack Attack!, because it is just so horrible. Can apply to people, things, parts of people, or parts of the parts of people, or...anything else that's totally nar-nar.
Me-- Dude, look at that chick! She's totally gnarlack!

Jesse-- I know! Makes me want to chop my members off!
by Gnarlack Attack!!! June 01, 2006
7 Words related to gnarlack

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