Place it at the end of a short exchange, after the request, so it lands as the final answer. Build up with No No Wait Wait first, then follow the refusal with Damn to underline the reaction for viewers.
Über diesen Sound
This is a very short reaction clip, lasting just over a second, built around the spoken phrase Seni No. The delivery is direct and dismissive, giving it a blunt, slightly playful edge that works as an instant refusal. It feels sharp and funny rather than angry, like a quick verbal shut-down you can drop into a conversation without a long explanation.