A weak fragile boy in his adult years that could be mistaken for a 15 year old.
It’s hard to go out in public with boy bum, I don’t want people to think I’m hanging out with little kids.
by GetErDubBud November 15, 2019
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A young male who is often seen limping the morning after
That bum boy took a big one last night
by Edward Lyne September 7, 2005
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A Bum Boy is a homosexual who likes to give or recieve anal
sex.
person a): "do you know that guy, he keeps looking over"?

person b): "Nah, he's gotta be a Bum Boy"

person a): "Oh, so you probably do know him"?
by silly sod February 18, 2006
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That person is a bum boy, he can't stop looking at guys.
by Derek B. April 29, 2003
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Another word for an abnormally strong male relationship, that two individuals might have. They don't necessarily have to be gay, but enjoy being in the presence of each other a lot. They go golfing, watch football, go shopping, ring each other etc.
Playa hater: Ay yo Andy, where tha bum boys at?
Andy: Wahhh? chris and tom?
Playa hater: yo
Andy: They bum boys, yo no wots hattnin
by Buttman12 May 19, 2010
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A boy who like touchin boys bums like my cousin josh
I touched a boys bum bum now I’m a bum boy
by Nigerian narsasist July 13, 2019
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An annoying prick who somehow manages to bring the English town of Cambridge into every conversation. No matter what is being discussed there will be a better version of it in Cambridge and everyone else is meant to agree and care.
Person 1: "Nathan's such a Cambridge Bum Boy"

Person 2: "Yeah if he loves it so much why doesn't he stay there?"
by spindly February 5, 2009
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