Tech What does ‘smh’ mean? Defining the texting acronym and how to use it in your conversations December 29, 2022March 23, 2023Olivia Munson, USA TODAYComments Off on What does ‘smh’ mean? Defining the texting acronym and how to use it in your conversations "Smh" is an abbreviation for "shaking my head." It can be used in many ways, such as when you are disappointed or you cannot believe a statement.