Top Definition
A combination of "gnarly" and "hard-core" Used in situations where one word or the other just isn't enough.
That mountain peak is so gnar-core.
That band is gnar-core!
by Bennifercm August 15, 2006

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come from the words gnarly and hardcore put them together and u get one hell of a word
" dude that was ferking Gnarcore"
by von Beard August 26, 2005

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the act of doing something so gnarly it isn't even gnar anymore its the hybrid lesbian sister of both hardcore and gnarly. also "GNARCORE" means nothing if there is a hyphen between "GNAR" and "CORE" and if its not spelled with all capitols or yelled!
dude 1: anthony's toe-nail surgery was so gnar.
dude 2: no way man, that ish was GNARCORE
dude 1: ...thats as good as the english language will ever get!
by Curtis James Miller April 11, 2007

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a bunch of old people dancing naked in a back yard
holy shit dude this party is gnarcore
by juan paublo October 05, 2007

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a word deloped by josh g.

this word is said to mean a mixture of gnarly and hardcore
the cab 9 to lipslide what gnarcore.
by a person December 14, 2004

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