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FUMS (v.) - to Fuck Up Mad Shit, as in partake in epic adventures, heroic treks, and the like. Usually takes place at the deli, the library, the bowling alley, or the woods. May involve a lifetime movie or two along with an impromptu drinking game. May also involve "starting shit."
"What do you wanna do tonight?"
"FUMS, duh"
fums by MASTER FUMSER June 24, 2010
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Fucked Up Mouth Syndrome

Someone who has an unattractive mouth or teeth, but is otherwise generally attractive. A butter-mouth.

Generally referred to when talking about a mouth that has not been seen yet, usually due to mask wearing.
John: “This new girl at work is so cute, I wanna ask her out.”
Bill: “Have you seen her without a mask yet? Watch out, bro, she could have FUMS.”

———————

Dave: “I matched with this girl on Tinder, but she has no pics of her smiling at all.”
Jim: “She probably got massive FUMS, man. Unmatch for sure.”
FUMS by SpencerNewton September 24, 2021
Related Words
fat,ugly, motherfuckers

most commonly used towards homophonic people
Person 1: Bro, i hate those stupid homophobic fums
fums by unosekoj June 1, 2022
a bi-polyamorous individual who is in between sexualities for the most part.
"idk im just feeling a little fums today"
Fums by Chazz4 June 11, 2024
A description of somebody who cannot handle a jam.
My associates are all fumst's.
Agatha cannot handle a jam, what a Fumst.
Fumst by Mighty McSpidnarm November 5, 2018

fumsy clucker

You can call your mate (who is a clumsy fucker) a fumsy clucker in polite company
"So he fell over running for the bus? What a fumsy clucker!"
fumsy clucker by mickolotopus February 12, 2018
Fuck your mom/mum so much in the ass.
"YOOOOO!"
"FUMSMITA!"
FUMSMITA by SilverHeroGaming August 20, 2022