Place it right after the unbelievable claim, then follow it with Oh My God Wow before cutting to the next scene. For a failed excuse, put No No Wait Wait first and let this clip answer it. Pair it with Damn Meme when the claim is also impressively bold.
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This is a very short spoken clip of a man asking 'Are you kiddin' me!?' in a sharp, incredulous tone, lasting under a second. The delivery lands as instant disbelief, mixing surprise with exasperated humour, as if he has just heard something too ridiculous to accept. It works as a quick verbal eye-roll for unbelievable claims, bad excuses and obvious nonsense.