1 definition by I AM GNARLY

What the cool kids do. Can be messing around acting hardXcore or just chillin'.
Jack: Yo dude, what you up to 2nite then?
Jim: Doin' some hardcore parkour. You?
Jack: Just Xbox. I guess I'm not as rad or gnarly as you.

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(Phil jumps onto a ketchup packet and it sprays all over a year 7)

Fred: Dude that is SO Hardcore Parkour.
by I AM GNARLY May 8, 2010
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