Place it at the end of an exchange, just after the confusing line, then follow it with a second reaction for a back-and-forth effect. Pair it with the You What SpongeBob Sound for a doubled take, or let the Law & Order Dun Dun close the scene after the question hangs in the air.
À propos de ce son
This is a very short Spanish spoken reaction, lasting under a second, in which a clear voice asks “¿Cómo dijo?”, or “What did you say?” It lands as a sudden, punchy interruption, giving a listener instant disbelief and surprise at something confusing, wild or hard to believe, and a comic urge to hear it repeated.