fum 

Fuck You Money. Money that justifies your situation/personality/etc.

Macaulay Culkin may be a loser, but he has many millions in fuck-you money.

fum by BillyRubin August 4, 2005

Fum 

A word to describe something thats fluffyness is so intense, you can feel it just by looking. Can be used to describe absolutely anything.

1. Douche Bag: Dude.. you're friggin fat.

Innocent Awesome Person: I'm not fat, I'm FUM!

2. Charles: Dude! I just saw the fumest walrus EVER!

Bert: Oh did your mom walk by?

Charles: No. Yours did.

3. Trixy: O mah gaw! My vest is sooo fluffy!

Alex: .... Your vocabulary sucks. The word's fum. Tard.

Fum by ThePwnTurkey October 13, 2010

fum 

the shiny part on a bald person's head where light reflects off it, often enabeling a reflection to be seen

Person 1: Hey check out that bald dude!

Person 2: I can't, the light from his fum hurts my eyes.

fum by Morgasm1441 August 28, 2008

fum 

Front Bum - see fop

check out the fum on that skank

fum by byt October 27, 2002

FUM 

FUM is an acronym for Fucked Up Mess

There was a big accident on the interstate, it was a FUM.

FUM by anonymous November 2, 2020

FUM 

when you got “Fuck U Money” and buy shit you don’t need or lose money and don’t care if you make it back

“The G4 was repossessed hahahahahahahaha don’t they know I got FUM???

FUM by KySi February 25, 2021

FUM 

Instead of saying fun nashyyy and I say FUM

OMG THAT SOUNDS FUM

FUM by Omg fum March 28, 2021