Tewy Stewy Share definition Flag Nickname given to a boy with only a two inch wang, only one kid has been identified as Tewy Stewy. Tewy Stewy often threatens to show us his two inch penis. Tewy Stewy by kangaroo October 28, 2004 0 0 Get merch Get the Tewy Stewy mug. Buy Now — $32.95 See more merch