bum bumper 

A gay guy

Hey look at that 50 year old bum bumper

bum bumper by Hawt Nigga March 28, 2016

bum lips 

The rim of your anus typically with a circumference 2πr, r being the radius of the ass pussy. This has an exponential growth whether you are excreting waste, or receiving sweet love which is proportionate to each persons bum cheek volume.

Jonathan dropped the soap and felt the exponential growth of his bum lips

bum lips by KinkyCactus June 1, 2016

bum crack gravy

The inevitable consequence of a sweaty and badly wiped arse. Particularly common in Magaluf

Jay sus when i ran out of arse wipe this morning i never thought I'd be on this beach wiping bum crack gravy with the missus' t shirt

bum crack gravy by Juicin' Mckracken-Stuff July 23, 2017

Bum cheese 

When you are physically dirty and haven’t showered or smell of body odor. Can also mean you have poo in your anus and it smells like old cheese.

Rebecca you smell like bum cheese you nasty hoe . Clean your ass right now .

Bum cheese by Livington November 25, 2017

Bum Pussy 

Originating in Guildford, Australia, Bum Pussy (BP) is a slang term for petrol, derived from the British Petroleum “BP” logo

Luka: Bro we need some petrol

Chuck: Bum Pussy is just up on Woodville road

Bum Pussy by Crab Magic July 5, 2018

Bum Central 

A School that has the most Bummy student section you could think of. A disgrace to the Greater Metro. The Owner of the School is Marquette University High School.

The Kids and Coaches from Bum Central cried like babies after they competed a choke fest.

Bum Central by Legend999 September 22, 2018

Bum Conkers 

Testicles - Human or otherwise.

I’ve got really, really itchy bum conkers!

Bum Conkers by Negative Bishop Revmond December 27, 2018