8
An annoying young kid. Usually refers to the age range of 8-14.
Hey dude, watch me kick this grom in the throat.
by Filthy Sally June 03, 2007
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9
A person who surfs or even skates. They spend most of their time at the beach.
Lucy - That Josh is always at the beach.
George - Oh yeah well he's a grom aye?
by ledde July 13, 2015
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10
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The word grom is shortened from the word grommet. Used mainly in surf culture, but is also used in the skateboarding community as well. A grom is young kid, usually under the age of 15, that likes to surf or skateboard. A grom refers to both genders male and female. Groms are known for going out either in the oceans surfing or streets skateboarding, but not just surfing or skating, but surfing and skating with all their hearts, with passion like any professional in the extreme sport world. . Groms are usually super chill and positive. They like to encourage their fellow surfer or skater friends. There is no room for negativity in the surfing, skating world. That’s not to say they aren’t competitive because after all that’s only human nature. Who wouldn’t want the chance to be sponsored by some really rad companies and travel the world doing what you love. So groms do have a competitive streak. Groms, kids that dig the extreme sport of surfing and skating. Having fun and living to catch the next big wave or skateboard down the ramp, doing tricks and just being an awesome kid.
That grom is a rad surfer.
by Krattsurf October 02, 2016
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11
Someone that tries super hard to be cool but really is just a fake wanna-be that totally annoys you.
Man that Whitney dude is such a grom, he pissed all over himself after drinking a few Twisted Tea's. I bet he drops grommer's all the time in bars.
by Dr. Gromster, M.D. November 11, 2009
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12
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
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13
To forcefully grasp, seize or colonize a person, thing, or sexual object.
Here is how grom is commonly defined:

Guy 1: " hey watch should we grom for lunch"
Guy 2: " I dunno I'll grom ur ass"

Part 2:
Guy 1: " oh no I ehGROMulated everywhere"
Lady: "ah crap"
by Poopypoopoo696969 February 02, 2017
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14
Polish special forces which translates to lighting in polish candidates must know 2 different languages and the training of ONE soldier is about 1 Million dollars. The soldier will be also a master in karate and stealth killing.
Grom is a special forces unit
by Macej January 08, 2006
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