Place this clip right after the confusing reveal in your edit, then follow it with a galaxy brain meme sound effect for an escalating clueless sequence, or end the sequence there for a clean reaction beat.
このサウンドについて
This seven-second Thai voice clip repeats the phrase ngong pen kai ta taek, an idiom for being completely bewildered and unable to follow what is happening. The delivery sounds exaggerated and stunned, turning simple confusion into a dramatic, funny reaction that listeners read instantly as disbelief and mental overload, even without understanding Thai.