Katana'ed Share definition Flag When you over- chop onions or any food usually and you disobey the chef's instructions on how you were meant to chop them. Your onions look katana'ed, you were meant to slice them evenly Katana'ed by Johnny PaPa November 16, 2018 0 0 Get merch Get the Katana'ed mug. Buy Now — $32.95 See more merch