a grommit is a person who is grungy looking such as not shaving and having a grotest beard or smelling like shit or even dressed like hobo to public events
dude ur such a grommit for wearing that

or
that is filthy totally gromtastic
by frosty27 August 31, 2010
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A fuckin loser wanna be surfer who has absolutely no interest in the activity but wants to be cool! (usually tries to act stupid aswell)
Grommit: Dude, did you like see that big thing in the sky?

U: That's the sun you fuckin grommit
by Kyle Bishop December 5, 2004
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Stars of three short award winning animations from the Aardman Studio's in Bristol. Featuring the adventures of Wallace, a crazed inventor (voiced by actor Peter Sallis) and his hyper integent dog Grommit. A full lenght feature film is currently in production.
'Grommit, It's the wrong trousers and they've gone wrong...'
by Black Flag May 28, 2004
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The act of shoveling stale guacamole into the slots of your pungent armpits. Then running a marathon until the saucy mixture turns a brown, yellowish color and smells of almonds. Once this stage is achieved, the rotting guacamole is to be smeared into the eye sockets of a loved one.
Bill:"What did you get Susan for her birthday?"
Donnie: "It took me awhile to get it prepared, but I managed to give her a Sloppy Grommit, she returned the favor by taking a sweet dump across my chest."
Bill: " Sounds great! Im craving mexican food."
by SketchyBodayegs July 26, 2009
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Usually, a smelly 5-year-old kid playing roblox. In other cases, they are just really bad gross ugly Faggots. That usually gets pussy from The Boston Street Sweeper and prefer to eat the shit that comes out. That's how disgusting they are.
Boy 1: Wanna hang out with Ethan?
Boy 2: Nah he's such a fucking grommit.
Boy 1: Okay I understand.
by OOFERGOOFER January 5, 2019
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