a text message abbreviation of Shaking My Head
Oh Hell No! She didn't just walk out of her house dressed in leopard tights and a sports bra....Damn! SMH
by E.T.-Ali April 05, 2011
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Selective memory or hearing
A: I was never asked this question
B: It's because you have smh
A: That sentence doesn't make any sense you idiot
B: You have selective memory/hearing
A: Ahh, I see.
by jhammer April 13, 2015
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Smh stands for "Shake my head". It also stands for "So Many Haters" with in that case it could stand for many things
Like OMG!!! Smh on my instagram.

Smh wtf am I looking at?
by 15 Tiers Of A Relationship May 27, 2014
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Suck my hole
Ashley: Your such an idiot

Jessica: smh
by Jack Gilinsky December 01, 2014
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Acronym for 'so much hate'. Usually used when someone finds something so hateful, spelled out words are not enough. Sometimes modified to 'smfh' or 'smmfh', depending on the magnitude of hatred for the object.
the three people i live with: a slob, a misogynist, and a trust-fund drug dealer. smh.
i've got smfh for the idiot who designed healthcare.gov.
by asdfasdffdsafdsaasdfasdffdsafd January 04, 2014
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Acronym for 'suck my hand'. Frequently used when someone has a hand sucking fetish and gets heated up from their hand getting sucked.
Girl: Can you stop smh, OH SHIT THAT FEELS GOODS!

Boy: That's right baby.
by wjdv wi October 22, 2014
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Suck Me Hard
Offensive way to tell someone to suck it
Jim: I don't like your shirt Fancy
Fancy: SMH Jim!
by BBC4LYFE June 05, 2014
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Shampooing My Hair;

An excuse to get out of doing something that you'd rather not do.
Question: What are you doing Friday night?
Answer: SMH
by Bangbangarang October 16, 2013
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