SMG

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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SMG

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 14, 2010
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SMG

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 12, 2011
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SMG

Stands for "slower than manual gearbox"

Often found in BMW E46 M3's in the era when BMW could not produce a proper gearbox
Person 1 : My E46 m3 has an SMG box

Person 2 :Oh that's a shame
by Bait box July 01, 2022
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SMG

SMG, that hurt! Son of a Motherless Goat, that hurt!
by OTGOGs December 08, 2020
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SMG

Smacking my gum. Derivative of SMH.

Used to express:
a) Oh, really?
b) Mhm. That sounds like crap.
c) I don't believe you.
d) Shut the hell up.
Person A: I totally got three million points on BrickBreaker yesterday.
Person B: SMG.
by vicious11 January 09, 2010
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SMG

a variation of suck my balls, this means Suck My Gonads. when used as a clan tag in cod (call of duty) it can be interchangeable with the term Sub-Machine Gun, for those of us who enjoy using weapons such as the p90 on xbox live.
SMG just pwned you with a p90, bahaha SMG.
by The urbster September 16, 2010
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