smg 

smg, or also known as ‘shaking my genitals’ is used when someone does something stupid or you’re just irritated in the moment. it’s simillar to the word ‘smh’ but better.

why would you do that janet? smg

smg by sunshine (kaly) March 3, 2019

smg 

The new meaning to SMG is Super Mario Galaxies. Small Machine Gun is now irrelevant and is no longer smg.

Omg I played SMG today!! - You played with a small machine gun? - NO you dumb twat Super Mario Galaxies, don't make me smurf you!!

smg by Vixy-Poo December 29, 2007

SMG 

An acronym for Sick Mack Game.

Man, Tim really has an SMG lately, he's hooking up with everyone.

SMG by thetogurtcannon February 19, 2011

SMG 

Stunted Muscle Growth

Poor little Eric suffers from SMG.

SMG by SisterStealer January 15, 2019

SMG 

A gang in south irving (south money gang) the most biggest and strongest gang in irving

ayy yall heard of smg , yuh nigga dont fucc with em

SMG by irving niggas March 6, 2020

SMG 

A gun that sucks and does 1 damage a hit.

Player 1: Dude I found a chest!
Player 2: What's in it?!

Player 1: An SMG.
Player 2: Gross!

SMG by F0rtniteslayer January 30, 2018

SMG 

SMG, or "Social Media Grandma" is a grandma that likes the idea of hanging around the grandkids so that she can post Instagram photos of her with the kids, but isn't really that good with them.

Wife: "My mom is coming round to have dinner with us and the kids." Husband: "She's such an SMG. All she wants to do is post pictures and then leave us with the washing up."

SMG by Mr. Charlie Told You So February 7, 2020