Tadcu Gorau'r Byd Tshirt - Welsh World's Best Grandad Tad-CuMachine wash cold with like colors, dry low heat This Welsh tshirt reads: "Tadcu gorau'r byd" meaning World's Best Granddad Best Grandad in the World World's Greatest Grandpa. Tadcu or Tad cu means grandad. The words are in clear capital letters, in a simple handwritten like white font. A Cymraeg t shirt for a Cymry grampa who was born and bred in Wales Cymru, and or live there. Wear this Welsh Wear tee shirt with Welsh pride and Grandfather