drainy bum

When ones flatulence resembles the smell of drains.

Mate, I've got serious drainy bum.

by fitzo0 October 6, 2017

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 pussy

A bum pussy is simply the anus.

Let me fuck you in the bum pussy

by Droid420 March 7, 2019

plum bum

Someone with a juicy rump, and a squishy ass.

Doesn’t Donald Trump have a plum bum

by Jmurr227 November 3, 2020

Bum-cicle

The result of defecating in sub zero temperatures.

It was so cold when I took a dump outside the tent, that I had to snap off a Bum-cicle!

by Thesatanicmechanic April 9, 2007

bum swallow

When you are desperate for a shit and and you tighten your anus to pull the shit back in.

-why does he look like that

-oh he just bum swallowed

by Zoogly December 6, 2016

Bum Boner

The second boner of the day that you’ve had with your girl and you just know it’s going to last a long time so you’re saving it for her bum.

Baby your ass is so fine I hope to get a bum boner later for it.

by Jimmyxxxj9 August 28, 2021