A term used to describe an absolute waster, an idiot acting like a total mong or simply an individual that's been on the dank substance.
Mate 1: so where did James go last night?
Mate 2: oh he got smashed off 3WKD's and went home the total gronk.
by Urban_$am32 December 24, 2015
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An innocent and naive stud with an enthusiastic and ambitious outlook who is blissfully unaware of the reason ppl even wanna talk to him or her , has a suspicion it’s those ppl who he should avoid because they take whatever he has and they aren’t friends so he or she cannot build any alliances.
Oi fuck that gronk used to smash me in the ring everyday glad he isn’t still a weapon I can feel more powerful around him now and get revenge
by Shmick ticker February 21, 2023
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The sound one, or many, make after winning destroying something with talent.
“He let out a massive gronk after making love with his wife.”

“The whole crowd gronked when their team won the big game.
by Sandude April 22, 2022
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An Australian slang word used typically to insult some to the lowest or can be a substitute for the word idiot or dumb , like the phrase “scumbag” in America or “mug” in England. It can be also be used in a friendly way such when calling your friend an idiot if they tend to do silly or clumsy things
“who do you think you’re talking to”
“YOU YA GRONK GO F*** YOURSELF”

“what are you doing?”
oh nah i slipped over aye”
“geez you’re a gronk🤣”
by ur ummays laddd September 18, 2022
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An extremely derivative insult used to slander someone.
That gronk stole my lunch money.
If you hit me you’re a gronk
by Howard Shamalla November 30, 2019
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A complete loser and try-hard who has low self-esteem and minimal confidence in themselves. Will do anything to please someone and has no opinion of their own. Often broke, of low-intelligence and limited prospects for success. The embarrassing moron of the group that everyone pretends they don't actually know
When one approaches your group waving and smiling:

You: Check out this gronk!
Your mate: Ha what a gronk
You: How's this gronk, acting like he knows us?!
Your mate: Keep walkin fukn gronk!
by The_A_Team July 24, 2016
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