Home : Chat Acronyms : TMI TMG | TMSF Tweet TMI Meaning Too much information Type Acronym Rank ★ ★ ★  Common Usage General (not just online) Comments Often used to cut someone off when they are providing more details than you want to hear, i.e. "Woah, TMI!" Updated 2007 All "T" Chat Acronyms Chat Acronyms Home Print