If you were cod-blocked or codblocked, something completly unimportant or pointless was keepeing you from playing COD (Call of Duty). Or something happens that eliminates your chances of a great accomplishment.
Guy 2: "Man I got cod-blocked yesterday! I was one kill from a nuke when the power went out!"
"Man I got codblocked yesterday"
"Girlfreind stole the game and hid it so I'd spend more time with her"