Australian slang for a teenage shit kid. Can be applied to adults too.
"that gronk sauron narc'd on a guy for hacking him"

"those AOL gronks are so lame"
by IRoNGRoN December 16, 2004
Focuses purely on their muscles rather than education, works out alot, an absolute bogan, one who's IQ is lower than the $5 entry fee at the gym.
Threatens everyone and tries to start fights with whoever.
Gronk: FUCKIN' AY CUNT JUST GOT BACK FROM THE GYM AE FUCKIN GREAT
Person: cool.
Gronk: YOU FUCKIN WANNA GO ME!!
Person: no.
by S12 June 30, 2013
Someone that is a shithead, they are worse than a Noob
Daniel can get much better because hes from Redfern and hes a gronk.
by Nikkiiscooooool February 15, 2009
the last turn on a bolt or nut, so as to insure it will not come loose.
Noun: Okay, make sure you give those lug nuts a good gronk.

Verb: Gronk on those bolts so they don't vibrate loose.
by teacherdude32 August 04, 2009
a turtle that falls of a table.
john " oh no, he fell of the table again."
megan " what a gronk"
by i am your super duper computer September 27, 2009
a drunk gone wrong.
A gronk is a man who misbehaves badly, when intoxicated.
Gronk a coal miner with a meanstreak.


by wastar April 04, 2009
is a dumm cunt, or a geek that thinks he is hard cunt
that guy is a fucken gronk
by HOSSAM August 22, 2003

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