turdnager Share definition Flag A teenager who is acting like a turd, doing things that are particularly teenage-like. "Son!, (who is annoying his younger sibling), stop being a turdnager and leave your brother alone" turdnager by Bikeboy555 January 2, 2016 0 0 Get merch Get the turdnager mug. Buy Now — $32.95 See more merch