e.g. "i just got given a PC for christmas!!"
However, the term "pwnage in a box" was created simply to say that something is really, really good! Or in gaming terms, that you have just really, really, owned someone.
e.g. "i just killed a lv 100 and didnt lose any hp :-)"
"dude.... that is pwnage in a box"
Player two: "pwnage in a box"