Place this clip right after the bad suggestion lands, then follow it with No No Wait Wait for a second objection, or close the sequence with the Wrong Answer Game Show buzzer to lock in the rejection.
About this sound
A single voice shouts the German word for no over and over, each Nein stretched longer and louder than the last across about six seconds. It feels frantically funny rather than angry, like a full meltdown refusal that keeps escalating when one plain no was already more than enough for the moment.