This word is a slang term for "buttock" but may be used in forms such as "ass", "butt" or "crack".
"Wow, that girl has a big bum!"
by Thor_of_Asgard June 24, 2020
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To bum.

The action of attacking and attempting to invade a target’s (likely your homie) asshole (usually with the help of other homies) using any nearby objects that are to your liking (usually pointed)
Male #1-“Guys ohwen is taking to Mia again, we should totally bum him”.
Male #2 #3 #4 “ya totally, Bum-em bum-em rape-em rape-em”
by Tyler Schulz's mom June 27, 2022
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Luke: I dare you to lick a bum
Alexander: Which type?
Luke: Y'know? The homeless one
Alexander: OH FUCK NO!
by -Insert Name- November 16, 2017
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Certified_sensei when he plays 2k
Man he is a bum at 2k
by Richski16 March 17, 2021
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A word originated from British roots that is commonly used in the U.S as an insult to one another.
Hannah: Wanna hang tomorrow?

Peyton: Nah I have plans
Hannah: Bum
by CooganmerINC June 25, 2017
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