Place it right after the failed play or boast, as the verdict on the moment, then follow it with Nelson's Ha-Ha to close the sequence. For a game-show style edit, open with the Wrong Answer sting before the line so the mistake lands first.
Über diesen Sound
This is a short spoken line, lasting about four and a half seconds, in which the speaker says plainly that they do not respect the other person as a player. It lands as a cold, confrontational put-down, more cutting than playful, and the dismissal feels deliberate and final rather than like a light joke.