Utterance by the soul cube in Doom 3 once you've killed enough enemies. The soul cube is called "use us" in order for the speaker to not sound like a D&D fanatic.
When deploying the "use us" you must say "GO USE US" or else your 1st, 3rd, and 5th children will be stillborn. And you'll have to eat them. Not cooked.
> -5th enemy killed...-
> "USE US"
> (Much like Gollum would say..)