It's not a cliche... Cliche is something that is often repeated in movies, games. Like this:
You go through the game, and your ally betrays you. That's an obvious cliche, especially if he has helped you more than anyone else.
Or that (okay, sorry, don't kill me for this one) protagonist is looking for a hero to do a quest, but it turns out that he is the hero.
This is just a thing you do sometimes. For example, I like to shout "DADADDADADADADA!!" when on a killing spree or something like that (like killing 5 enemies in a row in TF2/ Quake Wars).