Mass Bowel Movement, when 5 people or more gang up and go take a crap in the same toilet so as to plug it up
-What's that smell?
-The janitors had an MBM because they wanted higher pay
Married Black Male, Married African-American Male. same as mwm but black. usually found in classifieds, etc
MBM looking for a MBW for a discrete hook-up.
Mildy Bellied Male- A phrase coined by Patrick Roberge, it's the response to "BBW", where the man is not fat or significantly overweight, but does still have a belly.
"I'm not fat, I'm a MBM!"
mom behind me. Used in AIM to tell the perosn your mom or some one else is behind you and to keep converstion clean.
Bill: Lets smoke that weed on Saturday
Bill: wat you doin this weekend?
mexicans built my skool, the name of a skool
"i went to mbms"
Mates Before Muff
To choose your mates over a female
Mate, you should have gone with that bird and left me, mbm man.