BM by itself means bad mannered(probably not what you expected)
In most battle royale games, people will use the phrase BM either when they are getting finished or if they were going to finish someone else.
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Either baby momma
Or
BMW.
Depends on the reference.
"Oh shit it's my BM callin.. dont make noise but keep sucking. U know she be trippin if I dont pick up.."
Or
"Check out that matte black BM riding by.. shit looks clean asf."
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Blonde Moment
Short moment of stupidity that is stereotypical by blondes.
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The term or abbreviation for something that is even more whack than whack itself.
BM > whack
That shit that was pulled the other night was real BM, real BM.
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abbreviation for baby's mom
"yo, his bm is a beast, but i will still knuck her...he's my man now!!!! shit, that baby aint even his!'"
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gay term that some newb came up w/... P.S. he only says it to guys.
Guy1: You're tarded.
Guy2: BMS
Guy1: You're gay
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