Top Definition
a total loser, moron and idiot who always says "ill just" before he/she does anything
go to "wings n' things" in Ryde NSW AUSTRALIA, and you will know exactly what a gronk is - trust me!!!
by Fully_The_Sickest_Bro_Ever October 18, 2003

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Australian Slang, (noun) A person that is totally lacking in fashion sense, motor skills and/or social skills. Usually a total moron, an extremely unpleasant person or an unwanted guest.
Sometimes: A likeable idiot or Bogan (especially in Queensland)
1. No wonder he can't get a girlfriend, he is such a gronk!
2. Why would you "steal my car for the weekend," you gronk!
by Carbona_Not_Glue September 01, 2009

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a fool, an idiot, a dickhead, a silly person
ur a gronk dont burn his pants!
by Anonymous April 29, 2003

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A citizen who was born in or lives in the Australian town of Cessnock. They wear cheap plastic thongs, footy shorts and walk around proclaiming about how great there local football team "The Goannas" are.

Person 1: Hey look at that gronk!
Person 2: Yeah hes from Cessnock, go easy on him mate.

Hey you Cesnnock Gronk, get a job ya dole bludger!
by ahooya May 16, 2006

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idiot,dero
,fool,goof,
gumby,goober
looser,retard-(also tard),moron
dickhead
"aw shit i knocked over the bong", "you fuking gronk!"
by xrsize May 14, 2008

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The sounds that Miss Piggy makes when Kermit mounts her.
Oh Kermie, I love you. GRONK!
by ucla sucks August 14, 2008

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A deadshit, a suck-up, a person who has nothing going for them, a person who refuses to face reality, a bludger or a scab, a pretentious person, a rich mummy's or daddy's boy, a stupid person, a dense person or one who does not care about the opinion of others, when they are right.

Originated in Lane Cove Shops, Sydney in the late 90s and spread rapidly...

People who are up themselves. Snob businessmen.

Lads; ad lays (pig latin).

Teenage kids who refuse to grow up and cant see past there own hard cunt attitudes.

A person who does not care about themselves enough and has low self esteem.

Stupidity for the sake of a non-humorous laugh, usually between close mates; a dickhead.

Dense; someone who does not get it!

Lane Cove Slang.
"Look at that gronk lad scabbing cigarettes for spin - what a deadshit!"

----

"Can I borrow some money?"

"You never pay me back"

"I will this time... I promise man..."

"Fuck off gronk!"
by johnnygun August 21, 2009

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