M-16

The U.S. Military's standard issue assault rife, fires 5.56x45mm ammo. Developed to replace the M-14 Rifle that fired larger heavyer 7.62x51mm round. The original M-16 was first issued in Vietnam in 1965 and was prone to jamming because of the gunpowder used in the bullets, the fact that no cleaning kits were issued at first, also the soldiers using them were told it was so "space age" that it didn't need to be cleaned. It was also the first assault rifle issued en-masse to use plastic/fiberglass parts.

Soldier 1: OH SHIT VC'S ALL AROUND US!
Soldier 2: HOLD THEM OFF!
Soldier 1: WITH WHAT?!
Soldier 2: USE YOUR M-16!
Soldier 1: OH FUCK, ITS JAMMED!!!

by Burkus December 16, 2008

m-o

Not an urban term at all, but a legal one. Short for Modus Operandi (method of operation). One's either habitual or premeditated way of doing things.

His m-o was always smash-and-grab

by Entymol August 13, 2006

m&minize

The process of meticulously eating m&m's candy in a color-coordinated order.

Why don't you just grab a handful of m&m's and eat them? Because, I have to eat the green ones first, then the red ones, followed by the yellow ones, orange, blue, and then finally the brown ones. Why? Because I think the colors taste different, so I m&minize them!

by mj1955 March 24, 2010

emma m

A girl that's weird and quirky but still not bad. Sometimes shallow but not as shallow as her friends. She can be great sometimes and bad. She likes draw, game and just chill, she tries to stay shallow so no one knows her pain. (My name is Emma M)

Guy1:how do feel bout Emma m?
Guy 2: she's nice but not my type (prolly not)

by Kaitie1 March 21, 2019

Amal m

Amal the wife of everyone’s dreams the girl that everyone wants. She is the most amazing, gorgeous and perfect person god has ever created. Amal is such a beautiful girl with an amazing personality and that everyone loves and cherishes so much. Her personality is to die for and her heart is tremendously caring

I love Amal m so much

Amal m is the most perfect girl
I love you my baby Amal m

by My dear wife July 5, 2021

M Kid

A small child or a teenager who's balls haven't dropped yet. These kids have very high pitched voices, yell alot and agitate everybody wearing a mic. They usualy hear them playing Call of Duty, (not Halo 3 cause every kid on that game have high pitched voices), Gears of War and Nazi Zombies that fall into it's own category(this is where the 'M' in 'M Kids' comes from, the games they play). They are as annoying as kids who don't cover their mouths when they sneeze or cough.

M Kid: I just got the PPSH!
Annoyed kid: Dude I don't give a shit
M Kid: It's such a great gun against zombies!
Annoyed kid: Shut up
M Kid: Ooo I just shot his arms off then I knifed him!
Annoyed kid: Shut Up!
M Kid: I sent you a friend invite to you!
Annoyed kid: I don't give a shit what you did!

by Annoyed Kid 3227 November 25, 2009

Eyad M

An arab chammak, that thinks he is on top of the world. He always gets in trouble with the police, and is short as fuck.

Yo Look at him that dudes an Eyad M

by ETheGoat October 1, 2023