cod-itis Share definition Flag A sickness where several boys are so addicted to call of duty that they fake sick to stay home and play it all day. I heard Jimmy has the flu. No, I believe he has cod-itis. cod-itis by thaaaaaatperson November 13, 2009 0 0 Get merch Get the cod-itis mug. Buy Now — $32.95 See more merch