tmcphotos/Shutterstock.comThe initialism “SMH” has been around for a while, and you’ll often encounter it in chat rooms and on social media websites. But what does SMH mean? Who came up with it, and how do you use it? “Shake My Head” or “Shaking My Head” SMH is an internet initialism that stands for “shake my head” or “shaking my head.” It’s used to express disappointment or disbelief in the face of what’s perceived as glaringly obvious stupidity or extremely obliviousness. As you might expect, SMH is used in any situation where you might actually shake your head in real life. If you overheard someone say, “I don’t use laundry detergent” at the grocery store, you would probably blink a few times and move your head around in shock… Click below to read the full story from How To Geek
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