In the world of BMW autos, it means "sequential M gearbox"
The 2003 BMW M3 has SMG, which is arguably an improvement in the traditional 5 speed way of shifting
Acronym for sub-machine gun
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!
acronym for "Swag Master General"
"yo man did you see SMG tonght, she had sooo much swag"
Acronym for "suck my genitials". Assosiated with sex, sucking a man's penis.
Girl: Fuck off!
shortened version of "slap my grandma"
used in place of "lol" to make you seem more "hip"
hahaa omg bro that's hilarious 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.