Bumsack 

A sack which hangs from the buttocks of millions of North Americans.

"Look at that gnarly bumsack."

Bumsack by squackerdoodle August 23, 2011

bumsack 

A very rare degenerative cancer-like disease in which the victims testicles are relocated to the rectum.

My nephew, Cornelius... He has a bumsack.

bumsack by The Bumsack Inspector October 18, 2018

Bumjacking 

A euphemism used by 90's Australian primary school children to refer to anal intercourse, usually with negative connotations.

Boy 1: oi where's Ricky? he's missed school for weeks.
Boy 2: nah yeah I heard he got a bumjacking by the principal for stealing deano's tuckshop money, apparently Rob from 6A saw him in a wheelchair on the weekend.

Bumjacking by GolfGTI5 May 18, 2019

bumjack 

to have anal sex

Hey bigboy how about a bumjack?

bumjack by bruce February 8, 2004

bumsuck 

To heavily drool on the end of a cigerette, most possibly one you are sharing with a friend or work coleage

"OMFG!! Oh my fucking God, Poppy! Look how much you've bumsucked it! Your skanking me! Your skanking me, mate! You've gotta pay me back for all of that! That's 17p please! You're twisting my melons, man!! Look how much you've bumsucked it. Quit skanking me!"

bumsuck by Armadillo April 26, 2005

Bumsuck 

To leave large passionate hickey's inside another males rectum.

Wow Kenny bumsucked the fuck out of me last night I can't even walk.

Bumsuck by gustebeast October 8, 2018

bumsac

The black slimey stuff on your feet from hockey skates after skating in them.

There's bumsac all over my feet

bumsac by John Fergusen August 18, 2007