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1 definition by Yeeeaaah!

 
1.
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.
ayon kay Yeeeaaah! ika-20 ng Oktubre, 2011