Place it immediately after the confusing line in your edit, then follow it with an Anime Ahh for a second reaction or an Awkward Moment to let the embarrassment settle before the scene moves on.
Über diesen Sound
This 7.5-second clip is Dragon Ball Z villain Nappa shouting 'O que!?' in Portuguese. It feels bewildered and funny, like a tough fighter suddenly caught completely off guard by something he cannot understand. The line comes from Dragon Ball Z, where Nappa's stunned reaction turns a simple question into a meme-ready outburst.