TTSIDL Share definition Flag abbreviation of "That's That Shit I Dont Like" as made famous by Cheif Keef's song "I don't like" made popular by Kanye West's remix. Friend 1: "Just saw a girl with a mustache" Friend 2: "TTSIDL" TTSIDL by KillaJ2012 July 23, 2012 0 0 Get merch Get the TTSIDL mug. Buy Now — $32.95 See more merch