to ketchup Share definition Flag Verb: The act of turning horrible food into something edible or to enhance it by adding great, unhealthy amounts of ketchup to them! -- Eww!! That tofu tastes like feet!!??-- Dude, you need to ketchup that shit beforehand! to ketchup by CurioAmos January 3, 2019 0 0 Get merch Get the to ketchup mug. Buy Now — $32.95 See more merch