GROM - Operational Mobile Response Group. Polish special forces.
"GROM candidates were first subjected to a grueling psychological examination meant to search for confident and innovative soldiers as well as those who, though they might be lacking in physical strength, possessed the rare gift of internal iron will."
by soulie January 10, 2004
A grom or grommet isnt necessarly a biginner surfer but a YOUNG surfer... usually under the age of 15. Most of the time people that are called groms are youngins who RIP (are good)
That little grommet surfs better than i do
by Travis Connolly July 03, 2005
shortened form of grommet, meaning young surfer
if that grom drops in on me one more time i will kill him
by Anonymous April 27, 2003
1. n. Describes someone that is young and is a skilled skateboarder/surfer.

2. Downhillers (skaters that mostly skate downhill) are considered groms.
Whenever I visit Laguna Beach, I always see a bunch of groms about to kill themselves every day.

Most groms are sponsored by ABEC 11.
by damasteratlyfe November 20, 2011
the noise an oncoming giant's footsteps make.
GROM GROM GROM GROM
“mom what’s that?”
“THE GIANTS HONEY! RUN!"

GROM GROM GROM GROM
GROM GROM GROM
IT WAS YOU WASN'T IT?

GROM GROM
“RUN JIMMY, RUN!”
YOU SHALL PAY WITH YOUR LIFE
“DONT STOP UNTIL YOU CAN’T HEAR THE GROM”
GROM GROM

ITS SNACK TIME
“JIMMY NOOOOO”

*crunching grom noises*
“JIMMYYYYYYYYY"
NOW I SHALL GO BACK TO MY SLUMBER AND IF ANYONE DISTURBS ME THEN THE SAME WILL HAPPEN TO THEM

*mother sobbing in empty field*
GROM GROM GROM GROM grom grom grom grom grom
by anipug May 31, 2014
The grimmest of the grim.
'Sweet jesus, did you just do a shit on my floor?! Dude, that is GROM!!!'
by Mr. Fisherman Beard April 14, 2013
Beginner Skateboarder / Surfer
If that grom snakes me again, I'll wrap his board round his head.
by hairyBumhole September 24, 2003

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