codblocking

Preventing one's bro from playing cod.

guy 1- yo you wanna play some cod?
guy 2- can't dude, guys in his room with his girl.
guy 1- tell him to stop codblocking.

Codblocked

Prevented from being able to play Call of Duty because a friend and/or sibling is already playing it.

Yo, I'm gonna go play some Call of Duty!

Can't. Dave's already playing.

Darn. Codblocked again.

CODblocker

Derived from the term COD or Call of Duty

Used for someone who wants to do something other than play COD, when all you want to do is play.

Jim: I cant wait to play COD tonight
Bob: Oh dude lets go see a movie instead
Jim: Dammit Bob! You CODblocker!