Designed by Gordon B. Ingram, the MAC (Military Armament Corporation) series machine pistols were first designed in 1964. It is a simple machine pistol with few moving parts (making for easy maintenance) and a low cost of manufacture. The model 10 (AKA MAC-10) uses .45 ACP rounds, while the model 11A1 uses .380 ACP rounds and the model 11/9 is uses 9mm rounds. The MAC-11 series boasts a greater rate of fire due to the less powerful rounds, and can empty its impressive magazine in 1.57 seconds. It is essentially a spray and pray weapon on auto fire, since the rate of fire makes controlling the recoil (especially in the .45 cal series) extremely difficult. Its compact size, light weight, high caliber, large magazine, and blistering rate of fire make it an extremely lethal weapon with great stopping power in tight quarters
Blow through your front make it go out your back
Yo I got 50 shots, blow out the MAC
by Cactus Man February 01, 2008
MAC = Magnetic Acceleration Cannon
Cortana fired three successive rounds out the MAC gun straight into the covenant frigate. Its shields faded, died, and the last round ripped a massive hole through the floating behemoth.
by evan schmidt June 01, 2007
a huge ass player who will do anything and everything to get his hands on a girl. some of which includes sending nasty picture. also see: manwhore
"your such a mac!"
by your welcome Mackenzie Karl :) September 28, 2011
Someone who is sly and cunning.
Jerry: Jimmy has alot of Mac.
Nick: He does, you see the way he got into the ball game for free.
by SsTtUu April 09, 2011
A character in the Cartoon Network show, Foster's Home for Imaginary friends. Mac is eight years old and comes to visit his imaginary friend, Bloo, every day because his mom made him give Bloo up. Mac is pretty much the coolest eight year old ever.
Mac is the coolest eight year old kid ever.
by ms.insomniac July 28, 2006
popular line of cosmetics especially for society's creme de la creme and celebrities
gonna run over to the mac counter for some eyeliner
by jane doe March 18, 2005
A very obnoxious dickhead who creeps on little girls.
Girl 1: I just met a kid named Mac.
Girl 2: Stay away from him. He will rape you.
by Billy Nye2 January 17, 2013
1. Noun- abbreviation for Macintosh, a line of computers made by Apple Inc.

2. Verb- to use a Macintosh computer
1. "I got a Mac; it's really fast!"

2. "I'm gonna go Mac for a couple hours."
by TechyTim July 19, 2010

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