To forcibly remove another person's penis with your teeth.
Damn, last night I got gnarled and now I can't pee!
to get pumped, destoryed, f***ed up; usually by an accident or self infliction excess drinking or smoking
Jon drinks all night and the next day jim says
Jim; F**k Jon you were gnarled last night!
Jon; F**ken A i was so drunk....
an uppity person who likes to make you feel like a "sinner"; someone who likes to point out all your flaws
You big gnarl, its not like you've never lied!
Gnarl which is shortened down, somegnarl is alot better trhen gnarly.
That red train drivers hat is so gnarl!