Derpersayo Share definition Flag an account made solely for the purpose of owning the terrible that guy sebi p1: "have you seen that derpersayo guy? he totally fucking rekt that guy sebi" p2: "Slap My Ass" Derpersayo by logitechmouse August 17, 2018 0 0 Get merch Get the Derpersayo mug. Buy Now — $32.95 See more merch