bum jummping

the act of anally raping an unsuspecting victim by pulling the pants and jumpping on the bum and inserting an unwated object in the butthole area.

dude, i went up to the homeless person outside of kmart and totally and "bum jummping" we went.

by cockney. January 23, 2011

bum-fu

a style of martial arts mastered by very few of the bumby class. it combines drunken boxing, aikido, and kenpo to form the ideal style of martial arts for the 'bumby' archetype.

"I know bum-fu!"

"Show me."

by DryGrain October 12, 2004

Bum Explosion

When one needs the lavatory immediatley or one will cak shit their pants.

"Jamie had too much dodgy beer, he's now gonna have a bum explosion"

by Twinklebabe October 19, 2008

Puffin Bum

"puffin bum" \ PUFF-in-bum\, noun:
1. The largest species of all known and recorded bums.
2. Big; Ginormous; Humongous.
3. popozuda.

Examples:
"Of my goodness! Did u just see that Puffin Bum?!"
"I know! Its the biggest butt i have EVER seen!".

by Mrs Mole January 7, 2011

scrum-bum

low quality weed. usually larfy buds from the bottom branches of the marijuana plant, pre-mature buds of any kind, or shake/trimmings from higher quality buds. May sometimes be obtained for free or at very low cost.
equivalent words: scrum, scrumble, scrumalum

also used to refer to other crappy, low quality, or otherwise unfavorable conditions.

"This scrum-bum isn't getting me high and it smells like shit and makes my throat burn."

"I cut the scrumalum branches off and throw them in the compost pile early in the season"

"What are you doin'?"... "I'm scrummin' it up with the vapo, this shit's too harsh to smoke."

by the sultan of scrum - November 2, 2007

bum piss

bum piss is when you have had an illness or it can happen when you take to many drugs.

your guts empty them selves like passing water through your bottom = bum piss

by peter mills August 24, 2006

poop bum

A bum FULLL of poop

omg! look at my bum mommy! its full of poop! i have a poop bum!!

by mymomgotpoopinherbum March 6, 2011