1 definition by oioioicaitlyn

Top Definition
Something that is extremely disgusting. Something that is so utterly repulsive that the very site of it induces vomit.
Can be used to discribe a person or thing.
John: Dude, want some of this pizza?
Dave: Dude no its a week old. Thats so gnars.
by oioioicaitlyn April 14, 2007

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