mexadian Share definition Flag A child where 1 parent is canadian and the other is mexican. They both cross the border to have a baby. Therefore you have a mexadian child. Gossiper1: I heard that they're child is mexadian! gossiper2: Poor child. mexadian by wjok199320 May 23, 2007 0 0 Get merch Get the mexadian mug. Buy Now — $32.95 See more merch