a complete loser and a useless motherfucker
can be intended to be friendly or hurtful

this word is widely used by Australians and New Zealanders
by Nidkl November 3, 2018
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someone who thinks they are better than they actually are and act like kingshit and usually bad looking
Guy 1(Matt Dowley): So whats up, wanna get naughty? ;)
Girl 1:(regular chic) NO! You are Gronk I wouldnt do anything with you
Guy 1: But im perfect, long, wide everything a girl you want
Girl 1: Bull, your gronk..
by OMGALECBERNII ^-^ December 11, 2010
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phaete is the epitome of the definition gronk.
your suck a gronk phaete!
by bemuse September 13, 2007
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A bumbling, clumsy, incompetant or otherwise ungraceful person; Someone with little grace or couth. An oaf. See also: a Lindsay
Lindsay is such a gronk. You can hear her stumbling towards you a mile away!
by mrnixxin July 19, 2009
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Chatty, putrid kinda person.

Australian insult/swear
Shut the f*** up ya lil gronk, go f*** ya nanny!
by Browniehatch December 3, 2019
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A Gronk is likely (but not limited to) a person from Geelong, often attending schools of higher-socioeconomic status. An extremely unpleasant person or unwanted guest. Often argues his misguided viewpoints that have no ground in reality. Can be a sometimes still be a nice person, however.
"Fuck here he comes again" "Fuck off James", "Hes such a gronk"
by Jocco_69_420_blaze it May 23, 2019
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A dinosaur utterance as found in Johnny Hart's syndicated comic, B.C.
Cell 1: The Apteryx is standing in front of The Dinosaur. The word bubble over The Apteryx reads, "I am The Apteryx, a wingless bird with hairy feathers."
Cell 2: The word bubble over dinosaur reads, "Gronk".
by winilula January 16, 2009
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