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1. MAG
Stands for "Massive Action Game". It is a first-party Playstation 3 exclusive that was release in 2009. It can hold up to 256 player online, simultaneously (a first for online games). It's a first-person-shooter.
Lets go play some MAG, dude!
2. mag
Short for magazine. The cartridge or clip in a gun that the bullet's go.
Short for a magnum.
"Shit, I think my mag is jammed."
"Shit, I think my mag is jammed."
by Diego Jul 29, 2003 add a video
3. Mag
1. Vomit
2. A person who is intensely intoxicated (or a reputation of doing so regularly)
3. A clumsy idiot

See also: word}magged/word and magging
Dude1: Man, look at that guy, he's wasted!
Dude2: Yeah, what a mag
by Anonymous May 18, 2003 add a video
4. Mag
Short for Magnificent. Synonymous with Awesome, Cool etc.
This game is way too mag man.
Did you see that mag backflip he did?
5. Mag
One who drinks more than they can handle. usually followed by outrageous behaviour and projectal vomiting for the entire night.
Dude, your a mag.
wow, what a mag.
stop magging out you mag.
why did you drink so much you mag?
by O'Brien Jul 30, 2003 add a video
6. mag
a demeaning term used to describe someone of a lower status. This word originated from the city of Preston , UK (sounds like mug in a london accent)
mag: please dont take my dinner money!

bully: why are you telling me what to do mag?

mag: no im not!

bully: stop disagreeing mag! (bang bang)
7. Mag
Man Bag
He pulls that mag off well.

He put the spawn in his mag.

I'm going to get a new mag today.
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