Flippin' Idiot Share definition Flag Adj. Coined by Napoleon Dynamite, used whenever annoyed or angry (1). Also used to describe a total fool (2) 1) Go away, you flippin' idiot! 2) Dude, you're being a flippin' idiot! Flippin' Idiot by Squidward Testicles May 13, 2005 0 0 Get merch Get the Flippin' Idiot mug. Buy Now — $32.95 See more merch