bum-flu 

To have AIDS fully blown

as a physical desciption":

Look at her!!! She';s gotta have bum-flu!!

bum-flu by Noels April 23, 2006

Bum Flum

When you fart while sitting down but instead of going out of your butt cheeks it goes back into your ass.

Bro, I farted in class today and I thought people were gonna hear it but it turned into a bum flum.

Bum Flum by Loothoarder53 February 22, 2017

bum fluff

Facial hair that is so sparse it can be considered as good as the fluff on one's bottom

That's not a moustache - that's bum fluff

bum fluff by Gordon April 2, 2003

Smelly Bum Fluff 

When the fluffy hair on thou's rectum creates a specific unpleasant scent, which in return, creates an aroma which typically tends to attract the homeless and black folk towards your general area. Then if the black and homeless folk surrounds you and any other companions in your party, you will then proceed to be skullfucked and robbed of all your personal belonging, including your virginity.

Example 1- Garrett: "Hey Colin, I recently got diagnosed with Smelly Bum Fluff, what does it do to me?"
Colin: "Oh no, this isn't good. This means you smell like Stinky Poopy, we must get out of the area immediately, otherwise we won't be enjoying our weekend!"

Example 2- Requis: "What up my nigga. Guess what, I heard somebody in a 10 kilometer radius was just recently given Smelly Bum Fluff, you know what that means?"
DeShawn: "Oh hell yeah I do, let's get this Number #1 Victory Royale"

Smelly Bum Fluff by Cure2theAutism October 16, 2019

Bum Fluf 

A wispy beard often grown by a teenager or young adult.

Dad"you got bum fluf shave it of!"
Son"ok"

Bum Fluf by kinder king January 6, 2010

bum fluff

Bum fluff is literally sparse and whispy facial hairs on an adolescent boy, (Or Asian girl)... Tee hee! Which resemble peach fuzz, under-bed lint, gossimar threads... or any fine downy substance.

"You look a right cunt with that bum fluff on thy face mate! Grow up and stop trying to look like a blonde girl's arse!!!!" * Mr Kipling's Diaries.*

bum fluff by Spillage66 August 6, 2007

Bum fluff

Ah you're all wrong it aint on your arse it's on your face....god

hey you might wanna shave that bum fluff

Bum fluff by MaHe November 27, 2003