What you call your baby mama when you're too mad to even call her baby mama.
Man now my BM even has my mom on her side. Females, smh.
by Felicia93 January 19, 2015
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The condition of every human being that is afraid to admit they had a BOWEL MOVEMENT.
I don't understand why a huge corporation has to take credit for our movement of our SPHINCTERS and the waste matter resulting from it given the fact that we are afraid to attach any possessive speech to our ASSHOLE TOILET EVENTS yielding B-M.

At least attach a friggung name to it and say that is " WATSONS B-M.
by FECESRIMJOB March 23, 2021
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see ur girl post a bm, so i hit her in the dm
by E_man9 February 15, 2016
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Meaning β€œBitch Move”. When someone does something that effects one or multiple people in a situation.

Friend 1: β€œHey Lia want me to set you up with my friend Dan”

Friend 2: β€œYeah sure” * Proceeds to fuck a random guy named Justin*

Friend 1: β€œWow Lia that’s a real BM”
by Pan pan industries July 28, 2019
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