gronk 

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!

gronk by Carbona_Not_Glue September 1, 2009

gronk 

idiot,dero
,fool,goof,
gumby,goober
looser,retard-(also tard),moron
dickhead

"aw shit i knocked over the bong", "you fuking gronk!"

gronk by xrsize May 15, 2008

Gronk 

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!!!

Gronk by Fully_The_Sickest_Bro_Ever October 18, 2003

gronk 

he's a friendly guy

gronk is a friendly guy

gronk by Gronkaly Donkaly February 13, 2023

Gronk 

British railfan slang for a class 08 locomotive. Class 08 are a diesel-electric shunter made between 1952-62.

That Gronk is such a beast.

Gronk by Trainspotter_SYorks December 13, 2018

Gronk 

The Chinese President.

That fucken gronk tried to cover-up covid19 and let it out of Wuhan.

Gronk by Lunmeister1 January 3, 2021

Gronk 

A term most predominantly used in Australia. Used most often to describe a person of ignorance or someone of annoyance.

Go away you gronk

Gronk by KJDekka August 20, 2021