MBM 

Masturbate Before Messaging: A solid advice for men to curb the number of awkward /cringe-filled messages they send. Based on the fact, once ejaculation takes place, the man can start thinking with his brain, again, getting rid of the libidinous urges.

Joe: Dude, I'm texting this girl I met at the supermarket. What should I say?
Matt: Whatever you say, remember to MBM.

MBM by Internet Human August 6, 2019

MBM 

Made By Man

That movie was so MBM.

MBM by Shitgirlssay February 7, 2012

mbm 

marshall bruce mathers.

i love you mbm.

mbm by gianna May 18, 2004

MBM 

MitchBond moment: the complete misspelling or understanding of a given word's definition.

That car is susidle man!

This ontray to the meal is great!

Wow, you guys had real MBMs there!

MBM by EV514 January 2, 2010

mbm 

Message Board Misunderstanding: Used to connote sarcasm on a message board, or to apologize in advance to whomever you might offend...

hey zeke. you're an asshole. <mbm.

mbm by Ms. Topaz September 23, 2005

mbm 

Mates Before Muff

To choose your mates over a female

Mate, you should have gone with that bird and left me, mbm man.

mbm by NickBell July 16, 2006

MBM 

Motor Boat Material, Any woman with large breast that you can put your face in between and motor boat

yo, shorty over there got some nice MBM's.

Look at the MBM running this way.

MBM by Tony and Luis July 6, 2011