Social Media Ghost -
A person who does not use social media (Facebook , Twitter , Instagram etc...) to communicate.
I tried finding her on facebook and twitter but she was no where to be found. She must be a smg
by CFOD November 17, 2016
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Santi was trying to be funny and told me to SMG, but it was just perverted, weird, and frankly, insulting.
by cd16 April 07, 2014
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Spiritual Mafia Gang
Gang established by youth in Curacao which has alot to do with the real definition of Mafia; swagger, boldness, bravado etc etc
-Yo is that the SMG?
-Yes it is.
by SMG_#1 August 01, 2021
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Acronym for Sub Machine Gun. It is commonly used in the game Halo 3 where it is one of the few duel-wieldable weapons. It features a high rate of fire especially when two are used. Keep in mind that it is a rather useless weapon when used alone. Aim to duel wield.Commonly it is pronounced "Smug" over X-Box live voice chat.
Player 1: Dude grab that SMG

Player 2: F*** yeah
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An acronym for so much game.

When a man is wheelin' a lot of biddies (chicks) he has so much game: SMG.

Also if you're getting a lot of action, you have so much game: SMG.
Man 1: MAN! JOEL SIGGELKOW HAS SMG!

Man 2: LOL I KNOW! HES KNEES DEEP IN SMG! HES CRAWLIN' IN BIDDIES!
by PURE FUCKING ANGER December 13, 2010
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Exclamation:
shortened version of "slap my grandma"
used in place of "lol" to make you seem more "hip"
hahaa omg bro that's hilarious smg
by Billnye2 August 11, 2011
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