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BM

1. Short for "Bat Mitzvah" or "Bar Mitzvah"

2. Abreviation for bowel movement...taking a shit
1. Wow her bm was great

2. Eww, her bm was gross
by Tom DeLonge_Lover July 20, 2008
mugGet the BMmug.

BM

BMW - A German car found in many rap songs.
I got twenties on my BM and you still fuckin' wit a GM.
by The Don Mega October 9, 2005
mugGet the BMmug.

BM

Baby Mama

The girl's crib you have a baby with.
Man I gotta go run to the BM and get some squares
by K Dub April 9, 2005
mugGet the BMmug.

BM

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."
by Marv_Elous June 4, 2019
mugGet the BMmug.

BM

Blonde Moment
Short moment of stupidity that is stereotypical by blondes.
Sorry, I just had a BM.
by Explosivo1269 May 13, 2016
mugGet the BMmug.

BM

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.
by Gaming definitions February 21, 2019
mugGet the BMmug.

BM

banky's mom
by tr0llm4st3r152 May 21, 2011
mugGet the BMmug.

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