KTPO Share definition Flag Stands for "Knock this puppy out". Often said before a big test or exam. Mr Asche: "Alright boys, let's knock this puppy out" The whole class: "KTPO!" KTPO by Truckson77 December 20, 2016 0 0 Get merch Get the KTPO mug. Buy Now — $32.95 See more merch
