shigadidou Share definition Flag a synonym for "shit" when you want to be clean and sound like an idiot "did you know that 2 + 2 = 4?" "yeah no shigadidou, sherlock" shigadidou by AHumanIAm February 27, 2022 0 0 Get merch Get the shigadidou mug. Buy Now — $32.95 See more merch