M-Square 

Slang for Midland, Texas. Due to the large number of squares who live there and the fact that the city is laid out in a grid pattern with all streets meeting at right angles.

"That punk motherfucker George W claims his roots in M-Square"

M-Square by company ink September 7, 2005

M.s. 113 boys 

a school of cheating ass sherm ass nigga that just wanna fuck all day that make no bread and wanna flirt with the whole world all them got shrimp ass dicks and just wanna “vibe”

mia “hey that boy from M.s. 113 boys look good”
taylor “them M.s. 113 boys got small dicks”

M.s. 113 boys by wtfsmd May 7, 2023

M-train 

a girl's period.

she's crazy, and to make it worse, her m-train hasn't come yet...let's ditch her and egg some random persons house because we're brainless idiots!

M-train by dude...somebody knows! November 6, 2003

m-town 

a town of dangorous shit, aka milford

you better stay out of m-town

m-town by k money November 6, 2003

M-Town 

N: A township located in montgomery county PA, that has turned into one of the roughest ghetto's in pa.

The most thugged out suburb in the world.
You got hookers on chairs doing lines and other crazy shit liek that.

Shit i aint going to m town the niggaz is drawin up there.

M-Town by Matty Smizz May 13, 2005

m&m 

nipples.

Your m&m is showing on the right side.

m&m by moribonzojori May 14, 2009

M.M.D.B.C 

M.M.D.B.C stands for Marist Mafia Drive By Committee and consists of gangsters and pimps from across the globe. A few of these gangsters and/or pimps are...
- Santino
- Roboito
- Narik69
- Seantonio
- O FRE 5 OWTLAWZ

We be the infamous ya heard of us, official drive by murderers. Don't fuck wit' the realest thugs up in dis mofukkurrrrr!

Bearman says: "Dayum Thorny did you see those classy mobsters doin' their thang outside the bank lastnight"?

Thorny says: "Yea fool I saw dat. Dat was the most infamous posse alive! Anyone who tries to fuck wit' them ends up dead; they go my the name of M.M.D.B.C"!

M.M.D.B.C by LTB565 January 10, 2005