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Gremlining 

Making a devilish face at someone (preferably a small child) from a car window or in a hallway. It is also recommended to point and screech at them.
I am gremlining a toddler.

Lobby Gremlining 

Lobby gremlining is where someone sits in a lobby on warzone waiting for friends to come online and then spams them with invites or joins their lobbies.
Oh god. Bill is lobby gremlining again!
Lobby Gremlining by Cl1805 February 19, 2021

Super Gremlining

The act of intentionally ruining your boy’s chances with a girl at the bar through a direct, reckless, and deeply unnecessary act of sabotage.

It is not an accident. It is not “just joking.” It is seeing your friend finally build momentum with a woman and deciding the night has gotten too peaceful.

Super Gremlining is the step below Super Lizarding. The difference is simple:

Super Gremlining is throwing a brick through the window.
Super Lizarding is convincing the city to condemn the whole house.

A Super Gremlin does not plan. He strikes. He walks up, says something unforgivable, and leaves your boy standing there in the rubble.
“I was actually doing fine until Pat walked over and said, ‘Bro, this is the girl you said could fix you.’ Absolute Super Gremlining.”

Example:
“Kevin saw me talking to her for thirty seconds and immediately asked if I had told her about my court date. Super Gremlin behavior.”
Super Gremlining by Slizard June 20, 2026

gremlinize 

The alcohol-induced female facial deformation common to fraternity parties, concerts and other social gatherings.
Holy shit, did you see that bitch? Better cut her off NOW... she's already started to gremlinize!!
gremlinize by YAWA December 14, 2019

Gremlinisation 

(derogatory, colloquial)
Something of which the quality, tone and/or intellectuality of something, especially a word or phrase has been severely reduced.
"Neva seen" is a gremlinisation of "Golly".
"yewoh?" is a gremlinisation of "I beg you pardon?"
"West Side Story" is a gremlinisation of "Romeo and Julliet"
Gremlinisation by Toryboy February 23, 2006

Gremling 

Gremling is a little demon looking thing that you cannot get wet, or feed after midnight.
Gremling is also the last name of a guy who works at AT&T and has hair that is made from Cement. He has a girlfriend named Ken who he loves very much. He has worked at his job for a while and think he knows everything when truely he has no idea how to update his E-mail Contacts or set up the fax machine. He looks exactly like a Gremling
Holy Crap! You fed the gremling after night!!! NOO!
Oh man, The Gremling is coming back from his break.. better pull up the E-mail for him so he doesn't get lost trying to find it!
Gremling by Donky King March 5, 2011
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026
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