Place it at the end of a failed suggestion, after the setup and before the reaction shot. Pair it with Wrong Answer Game Show just before it to mark the bad idea, then follow it with Nelson's Ha-Ha! to underline the dismissal in the next beat.
Bu Ses Hakkında
This is a short voice clip of the spoken line 'I think not', lasting under a second. The line itself gives a firm, direct refusal, with no extra explanation attached to it. It works as an instant answer in a conversation, because the meaning is complete in those three words.