A way to say thicc ass but with no profanity. The thicker it is the more bums u add.
Prabh: Yoo! Aaliyah sent pics of Nathan’s bumbum!
Aaliyah: Yeha he was hella thicc you could call it a bum bum bum!!
by Prabhs December 17, 2018
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The most devastating insult that can escape ones lips, usually used to humiliate the opponent to the point were they fucking commit die.
Person 1: "ur mum gay lol"

Person 2: "your a poopie bum bum head"

Person 1: *puts .44 magnum up to head* "my time has come"

Person 2: "aww man now I got brains all over my shirt"
by BonelessFridge September 3, 2020
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A person who is getting on your nerves just a little bit but you still tolerate them. It can also be used when someone says something cool or weird a bit like how you use bombaclut.
“My friend is getting on my nerves
“They’re a bum bum head
by Theofficiallinaaa May 19, 2020
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declan bum bum is a smelly bum who loves to eat poo he says "its very yummy" he need to wash his bum it stinks
eww wash your bum bum declan declan bum bum is someone who doesnt wash his bum
by erin greggs August 31, 2022
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