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

By taking drugs to an extent you are unsure as to what is going on.
Taking an amount of drugs that inhibits proper thought.
Taking an amount of drugs that inhibits proper thought.
by TrippySteak June 23, 2021

by Lunmeister1 January 3, 2021

A term most predominantly used in Australia. Used most often to describe a person of ignorance or someone of annoyance.
Go away you gronk
by KJDekka August 20, 2021

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.
by Trainspotter_SYorks December 13, 2018

by Anonymous April 29, 2003
