stands for "Shaking My Head" usually an acronym when you see the most ignorant, dumbest, or disapointing shit you've ever seen, you can say it rather than doing the the action
"you see that 16 year old over there?"
"yeah"
"that baby tee's way roo small for her, and she's preggo's"
"what's that in her mouth?"
"omg that's a blunt"
"seriously SMH"
"yeah"
"that baby tee's way roo small for her, and she's preggo's"
"what's that in her mouth?"
"omg that's a blunt"
"seriously SMH"
by aemy April 18, 2010

a term often used to smoothly ask someone to "seduce my horse", after the big hit old town road by Lil nas x. The teens of nowadays all use this phrase in text messages to politely ask to find the most compatible horse prostitute in order for their horse to "get sum"
A: hey man SMH
B: yeah sure man, I got your horse
A: Thanks man, we'll meet you at the back of the ranch
B: yep, sounds good. we'll meet you there
B: yeah sure man, I got your horse
A: Thanks man, we'll meet you at the back of the ranch
B: yep, sounds good. we'll meet you there
by panicchippo August 22, 2019

Smh stands for shaking my head
by 🐑🐑🐑🐑🐑 November 27, 2015

by tilleywacker44 April 17, 2012

DAMN THAT SNOOP DOGG USED TO BE A GANGSTA....NOW HE IS MAKING MUSIC WITH PUSSYCAT DOLLS AND JUSTIN TIMBERLAKES?? SMH
by BOSOX2007 December 27, 2010
