SMR 

An abbreviation of: "shaking my rat", smr is typically used when something is obvious, plain old stupid, or in disappointment, and is used primarily by LBC_Bulletproof.

You don't know what smr means? smr

SMR by LBC_Bulletproof October 10, 2018

SMR 

In Black Ops 2 it is a extremely overpowered gun in multiplayer but its absolutely dogshit in zombies needs to burn in a hole I say. DONT GET ME STARTED ON THE PACK A PUNCH VARIANT THE SMILR the only thing it makes smile is the zombies when you shoot them.

The SMR is so overpowered I want to die

SMR by MADMAN32417 July 16, 2018

SMR 

short form for simmer

you just gotta SMR

SMR by Capogna, not vince September 25, 2009

SMR 

So Much Rage

UGH DUDE SMR!
What?
I LOST GODDAMN!

SMR by c: yippee November 2, 2014

Smr 

SMR = Some Reason

I have 2 followers for smr

Smr by 96Ihateyou69 July 19, 2020

SMR 

SMR stands for supreme mental retardation

teacher: whats 2-5, Gaby?
gaby: uhhhh, 10?
kyle: gaby got smr 😭

SMR by shimmyshimm August 22, 2022

SMR 

SaMiR ~~~SMR~~~ S<>M<>R

SMR is a top man! Dnt Fck Wit SMR!

SMR by smr January 31, 2005