There’s 2 means, “Suck my dick.” and fuck you
John: imagine your girl left you cause of another man’s car LOL
Adam: Smd bitch your a fucking dick rider
Tyler: Let's hang out tonight
Jazmine: For what?
Tyler: I want you to SMD
SMD means “Suck my dick” as a insult towards somebody.
Kash: Hey cassy, Smd. Cassy: Emp.
smd means to send missile drones
"bro u see gharry he sent a smd to his opps house"