Ever caught yourself scrolling through Instagram and stuck upon the abbreviation like SMT? Don't worry, you're not alone. In today's society heavily influenced by social media, abbreviations and slang language have become commonplace, although they may occasionally confuse users. One of them is SMT, which is most popular on Instagram and other social media platforms for digital communication.The meaning of SMT on Instagram is - Sucking My Teeth, Sending My Thoughts and Send Me This which express empathy, concern or support in comments or captions.