Foo-dingit Share definition Flag The name for any small object that you don't know the name of. Pronounced (Foo-ding-it) What is that little foo-dingit called on the end of shoe laces. Foo-dingit by Brett Wetherbee December 9, 2008 0 0 Get merch Get the Foo-dingit mug. Buy Now — $32.95 See more merch