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BMM is the acronym for beat my meat.

Also see BYM
Guy 1: Man, I'm so stressed out. I need a release. I'll just see how fast I BMM.

Guy 2: BMM?

Guy 1: Beat my meat!

Guy 2: ROFLCOPTER! Have fun with that...O.o
by JSwanson1025 April 28, 2009
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Having planned hours in advance for his night with Jessica, John had conveniently grabbed his BMM and stuck it in the car stereo.
by meghanwrotethis November 07, 2007
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boner making machine

A girl that is super attractive and is the epitome of every man's dream.
Caitlin is a total B.M.M.
by RTP2011 January 05, 2011
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Black male magnet. Can also mean fat chick or anyone that attracts a high volume of black men.
Lisa has such a big bootie. She is a total BMM.
by shadycat August 12, 2007
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Bread-Meat-Mayonnaise sandwich

when you dont have cheese or just want a quick sandwich
Used Often in Florida
Man i Want me a BMM right quick, im hungry.

Hey Baby, Make a BMM please
by Elfresh December 09, 2009
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Group/family from acreshome who are ran more so like a mafia rather than a gang, also associated with blessed movement records.
by Bmm/Bmr September 20, 2019
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