Place it as the final beat after a confident setup, then cut straight to the reaction shot. Pair it with a short record scratch before it and a disappointed crowd sound after it, so the boast, the interruption and the letdown land in that order.
About this sound
This 3.5-second clip is a blunt Danish line from Langt Fra Las Vegas about slappe diller, spoken in a flat, matter-of-fact way. It feels cringey, surprising and silly at once, because the taboo subject lands without any buildup. Fans of the Danish comedy reuse it as a sudden awkward punchline.