8
originally meaning, "Silently Masturbating During Homework", smdh now means "Shaking My Damn Head". You could argue it still means the same thing.
A: I always smdh, especially when studying for finals
B: oh, you shake your damn head cuz studying's so stressful.
A: um, sure, lets go with that.
by Yeeeaaah! October 20, 2011
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9
Usually people say "Shaking my damn head"

But if you replace that with "Suck my dick, hoe" it makes it hilarious
Person 1: This girl keeps spreading rumors about me.. smdh
Person 2: SMDH? LOL
by CheekySkrub August 17, 2015
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10
im so hard I just want to smdh
by Trair November 26, 2014
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11
An acronym which is a variant of SMH; it means "shaking my dog's hand."
Whenever someone types "SMDH," I assume they mean "shaking my dog's hand." Aw, cute dog!
by turncoat May 05, 2014
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12
Means "shaking my dick head." Used when referring to masturbating
Friend: "Hey, wanna come over?"
Me: "Give me 5 minutes... smdh"
by Sr_Papacito December 04, 2011
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13
SMDH is an acronym for either "shaking my damn head," or "so much damn hate," either way it is to be used as a response or as a stand alone phrase.

Usually SMDH has a negative connotation, used in a way to respond to a direct action or words spoken to you.
I chose Nami top in a norms, my team told me to go play with bots then dropped queue, SMDH.
by Hirbeth O'Larris June 04, 2016
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14
I was thinking with the wrong head last night and my girlfriend slapped me in front of everyone. smdh...
by steelers2383 November 07, 2010
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