Smh means shaking my head of disapointment
Because they're disapointed
You disapoint them
/j
A person:i got a F- in my exam
B person:smh
used as a sign of disapproval or annoyance
person 1 I did not see yuh yesterday
person 2 smh
so much hate (often used in a manner like fml (fuck my life))
UGH I cannot believe we drank that much last night my head is killing meeeee....smh
smh means 'so many hoes' and can be used as a hashtag, or just an overall statement.
person 1: I get smh.
person 2: stfu.