You know you play too many video games when....
This past Christmas I came home to find my neighbor is one of those people that goes absolutely nuts with out door Christmas lights....To which I said "Oh Christ, he's all lit up!". Yes, I said it with the accent. No, no one got the reference...
Not the first game to do this to me...I've been known to yell "Fire, Fire, FIRE!" when playing firebug (TF2) or "Get a Maliwan and light some people on FIRE!"(Borderlands)
Borderlands really has some of the best ones for use in game.."You don't need to be a better shot! You just need to shoot more bullets!"
Also classic Warcraft(the rts, not the mmo) lines...Like when you are waiting for everyone in the server to ready up "We're ready master. I'm not ready!" which inevitably leads to "I've got da brain! Na uh!"