Bumagon 

A sexual position in which multiple participants engage in anal intercourse in such a way as to create a closed loop.

The resulting shape resembling a polygon with as many sides as there are participants.

Ste: "The rest of the rugby team are coming over later, but I've got no idea what to do for entertainment."
Tim: "More than five of you? You could always get a Bumagon going."

Bumagon by Megalon3k July 23, 2016

Bumjob

A blowjob from an actual bum that has missing teeth and a mustache/beard combo. Most likely occuring to another bum who has exchanged a few dollars or alcohol/drugs for the service.

At 2a.m. last night I cut thru an alley on my way home and saw a homeless guy getting a bumjob.

Bumjob by Joey Paisan September 24, 2011

Bumatron 

The homosexual leader of the decepticons from transformers.

Person 1:- That bloke over there looks like a right bender mate.

Person 2 :- Yeah mate he's a right bumatron.

Bumatron by da1976 November 30, 2009

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

Buma Ye 

Litterally: "Kill Him" from Congolese 'Boma Ye'
Variations in spelling include Bumae, Bumaye, or Bumaé.
Come to be used as a cheer or hurrah to express enthusiasm for something

Student, upon passing a final exam: "I aced it! Bumayé!"
"Ali Buma Ye!" (film "Ali" with Will Smith)
"Ted Bumaye!" (Barney Stinson, How I Met Your Mother)

Buma Ye by winterwhite May 26, 2009

Bumass 

It's a term you use if somebody is being mad annoying and/or talking shit.

Jordan: look at u with ur uglay ass
Me: stfu bumass nigga

Jordan: She just called me a bumass

Bumass by eminemloverr15 March 20, 2014

Bumjugger 

A popular Mormon term (circa 1984) to describe the act of male homosexuality.

All Men that engage in homosexual acts will be condemned by the Mormon Church and forever be deemed a Bumjugger.

Bumjugger by Stalin OG June 21, 2005