Runners bum

When you need to shit whilst running and you must clench your asscheeks to hold it in.

- "Hahaha Paula Radcliffe shat herself mid race", "ah, we've all had runners bum"

by Mahoganay October 28, 2013

bum ear

An ear that Alex Tilley has, it's the kind if ear with a bum at the bottom of the ear lobe, like a bum chin but just on the ear

Alex Tilleys bum ear chin

by King bs November 11, 2013

Plum in the bum

To be annoying, much like "pain in the arse", more polite words to give the same message.

Steve, would you stop being a plum in the bum.

by Twisticals May 12, 2015

Bum-Punch

"Bum-Punch" the battle cry yelled before you playfully punch your partner in the bum. It only counts as a true Bum-Punch if it's yelled or sang seconds before impact.

"you cheeky sod, Bum-Punch!!"

"yelp!"

by Matt_Man July 19, 2016

Bubble bum

Other meth addicts that come around just to smoke your bubble but never have any drugs or money of thier own.

Hide your shit here comes another bubble bum.

by Phantasmaddiction November 1, 2015

Cheddar Bum

A sweaty, filthy, stinking anal region.

Baby I can’t take it. It’s making me gag. Go wash ya cheddar bum.

by Eaton Holgoode October 25, 2018

Bum Bomb

A massive cyst on your bum that either bursts or is surgically removed leaving a crater on your bum.

Omg duuuude! My brother had the biggest bum bomb, seriously, it left a Grand Canyon sized crater down there!

by Golden Seagul July 20, 2018