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!
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.