Wunder_Bread Share definition Flag A term for people born through inbreeding . It's an overtly bastardized version of the already bastardized joke term "inbread". The technical administrator of their server is such a wunder_bread. Wunder_Bread by Ithrea October 14, 2017 0 0 Get merch Get the Wunder_Bread mug. Buy Now — $32.95 See more merch