The meaning of SMH is 'smell my hole', a more up-to-date way of simply saying 'get lost' or 'f*** off!'.
John: 'Yo, I stole all these candies from CandyHaven'
Marc: ' Dude that's my parents store!'
John: 'OMG, I did not know that! Anyway, you want some?'
Marc: 'SMH!'
Marc: ' Dude that's my parents store!'
John: 'OMG, I did not know that! Anyway, you want some?'
Marc: 'SMH!'
by Schandylicious November 17, 2019

Acronym for "Smack my head". Can be a synonym for "facepalm" and is used whenever you feel embarrassed or if someone acts stupid or childish.
by W1ll.1.4m February 3, 2020

Random person online: OMG I just found out I was born ON MY BIRTHDAY AHHHHHH!!!
Another Person: you didn't know that? Smh
Another Person: you didn't know that? Smh
by Allydude December 2, 2020

When a person doesn’t know what SMH stands for and wants to sound like they understand abbreviations
by Expert proven October 31, 2023

by shentizenma February 13, 2022
