young school-kids way of saying 'ass'. Also see botty, bum, tush
"Oopsie daisies! I landeded on my bumbum!"
"Hey, thaaaat's great, kid."
by Bastardized Bottomburp May 8, 2003
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A sign of endearment for two people passionately in love.
I love you my little baby bumbum bumski.
by Silvia890 October 23, 2008
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what a kid calls someone so fat they have two asses
kid: mummy wook at dat bumbum!
by fookoff June 18, 2005
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An affectionate term for bee, derived from "bumblebee."
Look at that adorable bumbum hovering over there!
by fantastic salmons August 31, 2019
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anal sex, or the love of another mans anal area. bumbum refers to man on man sex, as they both have an arse that is "penetrable", therby being two "bums" included in the sex.
"dont try and hide it, we all know you like the bumbum"

"those gayboys love a bit of bumbum"

by jonobello January 29, 2006
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An ice cream now available in the UK. Misperceived by many as an example of cross cultural confusion it is in fact an incisive stroke of marketing genius and a penetrating insight into the perenially adolescent mindset of the average Brit. Who, after all, in these islands wouldn't purchase said product simply to bemuse and harass a hapless teenage vendor?
"How much for a bum bum mate?"
"Make sure it's from the back of the freezer, I like bumbum best when it's hard."
by Bulgakov February 20, 2016
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