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

by KinkyCactus June 1, 2016

Bum tears

Anal secretions which drip down the arse cheeks when a gay couple break up.

"It looks like it's all over between Bryan and Alex. There'll be bum tears shed tonight".

by Ringo66 November 27, 2012

Bum Slide

When one slides their bare bum cheeks across the bare bum cheeks of an unsuspecting person during a post game locker room shower.

"I just got Paul with a good bum slide. He didn't see it coming."

by just pooed a little December 5, 2012

Bum Bachelor

A term used to describe a homosexual who lives by themselves and are generally lonely. Bum Bachelor is also used in a derogatory state to imply someone is gay but no gay man/woman wants them.

'Hey Jonathan you're a bum bachelor!'
'I know, i'm such a gay loner.'

by Mitchnut June 22, 2012

Bum Conkers

Testicles - Human or otherwise.

I’ve got really, really itchy bum conkers!

by Negative Bishop Revmond December 27, 2018

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

by Crab Magic July 5, 2018

Dyke Bum

A woman's bum, in a pair of skinny jeans, that are too tight for their hips but they sit them there anyways and it squishes their bums flat xx

Oh god her jeans are that tight she has dyke bum

by Dan23456 August 30, 2018