gronk 

a bum or someone who doesnt have his shit together.

that guys a bit of a gronk

gronk by phatfrankiefiver April 26, 2003

Gronk 

Australian slang for a teenage shit kid. Can be applied to adults too.

"that gronk sauron narc'd on a guy for hacking him"

"those AOL gronks are so lame"

Gronk by IRoNGRoN September 19, 2005

Gronk 

British Trainspotter speak for a class 08
diesel electric shunting loco. The BTC commissioned about 1100 of them back in the late 50s and a substantial number are still in traffic.

Gronks are sometimes known as Jockos

1V57 failed just outside Reading and they had to use a Gronk to haul it in out of the way.

Gronk by Brucester February 24, 2009

Gronk 

The Scum of Society. Also known as "Deadbeat"

"He's such a gronk"

Gronk by FyouCK October 9, 2009

Gronk 

Someone who is a complete idiot and trys to be a hard but isnt

Ian says: "bruz im in a graff crew now!"
You: "really? how'd you get in?"
Ian: "well, Im not really in it. They just said if they can use my paint then i can go around with them"
'Man, Ian your such a gronk!'

Gronk by illestbillest January 10, 2010

Gronk 

Ultimately a baby ogre.
An over sized person, clumsy, often fumbles around.

Big boned, short and wide, often with exma or a very red face.
Indication that someone/something is large

"Ughhh you are such a gronk, why are you so massively wide"

"You have gronk feet"

Gronk by Princess Of Persia January 13, 2010

Gronk 

Being that sober guy at a party to creep on drunk, taken girls.

Man did you see Maria last night? She was totally getting gronk'd by Dan.

Gronk by AjDurH April 29, 2011