man dong Share definition Flag Ma-N D-Ong 1. N.- A male genitalia or male reproductive organ 2. Pro N.-A city in China That Chick Sucks so much Man Dong she's practically a vaccum. The girls went to venture the Mandong's pearly white gates. man dong by Doombaby November 10, 2008 0 0 Get merch Get the man dong mug. Buy Now — $32.95 See more merch