noun, meaning a girl that rocked all night and is gnarly the next morning.
"You are such a gnar star"
by Julia in down town Denver October 11, 2007
Someone who thrashes up the powder, the waves, or the streets with gnarliest amounts of awesome imaginable. Only a really rad dude can be a Gnar Star.
"Whoa man, look at him tear it up out there, he's a total Gnar Star.
by The Gnar Star August 17, 2009