kys <3 Share definition Flag basically telling someone to kill themself, but respectfully ofc Sean: "bru i just got a victory royale in fortnite, u wanna play?" Kyle: "no, kys <3" Sean: "wow, sooo respectful...fucker-" kys <3 by asteruz February 9, 2022 0 0 Get merch Get the kys <3 mug. Buy Now — $32.95 See more merch