abbreviated form of 'gnarly', means really fucking kick ass.  
also, used by snowboarders to describe good snow
also, used by snowboarders to describe good snow
used commonly by trevor of eighteen visions, who refers to himself as "trevgnar".
that movie was gnar
vicky's ass is gnar
that movie was gnar
vicky's ass is gnar
by beast138 February 18, 2007
 Get the gnarmug.
Get the gnarmug. by sands in o October 18, 2008
 Get the gnarmug.
Get the gnarmug. that was pretty gnar
by that's miss bitch to you October 10, 2005
 Get the gnarmug.
Get the gnarmug. Gnar is similiar to sick, it can mean awesome and cool, or just really disgusting and gross. sometimes both. pretty much the gnarliest word around. i dig it. oh, and it's also snow.
by Princess of Gnarnia January 17, 2007
 Get the gnarmug.
Get the gnarmug. Gnar is an abstract concept for the shredding of awesome shit. It also means to very cool or some would say gnarly.
by Freeman Morgan November 19, 2014
 Get the Gnarmug.
Get the Gnarmug. by Mr.Patrick January 28, 2008
 Get the gnarmug.
Get the gnarmug. 