Fetal Denimism Share definition Flag A rare birth disorder in which the baby is born wearing blue jeans. Fetal denimism runs in the family; all of my siblings were born with blue jeans on. Fetal Denimism by HarlowH October 15, 2018 0 0 Get merch Get the Fetal Denimism mug. Buy Now — $32.95 See more merch