Place it at the end of a search sequence, just after the last empty cupboard is shown, then follow it with Oi Meu Chapa for a greeting-style reply or Ai Que Burro when the searcher realises the drink was taken.
About this sound
This is a short Brazilian Portuguese voice clip, under a second long, in which Shaggy calls Scooby 'my son' and asks where the cachaça has gone. It feels funny and deliberately ridiculous, putting a familiar cartoon pair in the middle of an adult joke about looking for a drink. It comes from Brazil's Scooby-Doo remix culture, where the pair are constantly redubbed into local memes and shared as WhatsApp audio.