Home : Chat Slang : 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 December 20, 2012 All "T" Chat Slang Chat Slang Home Print