what is smh

SMH stands for "shaking my head" and is an internet slang initialism used to convey disappointment, disapproval, frustration, or disbelief with someone or something. It is often used in informal or online communication, such as social media and text messages. For example, if someone says something particularly ignorant or offensive, another person might respond by saying "smh" to express their disappointment in the persons words. Alternatively, someone might use "smh" to express frustration with a situation or decision that they disagree with.