Indadong Share definition Flag A long Indian dong. Typically within the range of 11 inches to 13 inches. Grows to 15 on a harvest moon. My bitches love them Indadongs.Holy shit your Indadong is 16 inches, it must be a new moon! Indadong by Scopulus February 6, 2010 0 0 Get merch Get the Indadong mug. Buy Now — $32.95 See more merch