BTDTBTTS

An initialism of "been there, done that, got the T-shirt," a jocular or sarcastic phrase of familiarity with a certain situation or thing. Refers to buying a T-shirt as a souvenir from a tourist destination to prove that one has been there. A: "Anyone in these forums have any experience running a business with a romantic partner?" B: "Let me tell you, friend, that's a recipe for disaster. BTDTBTTS." Oh, your unit is heading out for a tour in the Middle East? BTDTBTTS.