Ugglies Share definition Flag 1. The ugly boots that everyone is wearing that we cool like 9 years ago with shorts. 2. Poop or Fecal matter. 1. "Damn, look at all of them Ugglies." 2. "Bad dog, you made ugglies again." Ugglies by LAnGAr December 26, 2008 0 0 Get merch Get the Ugglies mug. Buy Now — $32.95 See more merch