Acronyms dictionary BTDT What does BTDT mean? BTDT is a textspeak acronym shortening the popular phrase been there, done that. Related words: I see what you did there BTDTBTFTS deja vu Examples of BTDT TFW when you are pumped for a new PC build but lose ambition halfway through #BTDT @FractalJosh, July, 2017 Try to write 10 posts a day every day for 8yrs. BTDT. You die a little inside. Blogging as a profession,sustainable: as a human activity, no @ddayen, February, 2015 Yes, she is. And she's isolated from other women. No girlfriends to talk to. No resources. BTDT. I know the pattern. His NPD, his sociopathy, he'll reel her in just to mash her down again.. probably in about 60 days. @NanInKansas, February, 2018 SEE MORE EXAMPLES Who uses BTDT? Redbubble Just Added trigger law, bystander effect, CSI effect, Streisand effect, L + ratio Note This is not meant to be a formal definition of BTDT like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of BTDT that will help our users expand their word mastery.