Bum fluff

The weird hair that teenage boys have above their top lip around the time of puberty. Like a first moustache

"Ew, he's gross, he has bum fluff on his lips"

by alkies December 4, 2015

bum jelly

A light brown jelly substance often blow out of the anus with large flatulance outburst.
Made from fecal matter formed in the anus it is often discovered too late in the lining of underwear.
Often visually compared to dog food jelly.

A known delicacy in Belgium when served on toast.

Would you like any topping for your toast?

Have you got any Bum Jelly?

Yes, we have some made fresh this morning.

Brilliant, spread it thick please.

by Bum jelly slerper November 28, 2016

Mardy bum

Thomas Forshaw

Her: so what’s that mardy bum...

Everyone: looks at Thomas Forshaw

by Wordyworms March 20, 2019

Power-Bummed

To have received a powerful, aggressive anal penetration by single or multiple men of larger stature than yourself.

Will: Ouch, I still can't walk.
Martin: har har you've been power-bummed son

by Paddlby January 27, 2015

Gravy bum

After doing a shit and not wiping properly, when your butt gets sweaty it produces a gravy like residue, Leaving marks on your underwear.

Check out the skids on peters boxers, pure gravy bum.

by Jimmywhack August 23, 2016

naughty bum

Juvenile synonym of 'badass', generally used by socially aware (or sarcastic) youths in the presence of young children.

Jack nicked that burger off that dude in the park.

What a bada....

Ssh! You can't say that in front of these kids!

...what a naughty bum

by Highly ill-creative pseudonym May 22, 2014

drainy bum

When ones flatulence resembles the smell of drains.

Mate, I've got serious drainy bum.

by fitzo0 October 6, 2017