Flubbadubbadoodlebop Share definition Flag This is not a real word, so don't use it in everyday life, or people will think you are on drugs. Person 1: Look at that Flubbadubbadoodlebop! Person 2: What the actual fuck. Flubbadubbadoodlebop by williamazing12 January 29, 2017 Get the Flubbadubbadoodlebop mug.