Kaio
A running joke from Dragon Ball Z Abridged. When Goku uses Kaioken, the enemy screams, "Kaio what?" and gets hit hard. It’s hilarious and annoying.
"Kaio what?", @FriezaInDisguise
Text: "Kaio what? I’m not even a villain.", @NotAFrieza
DM: "Kaio what? I died. I just died.", @VillainOfTheYear