Put it at the end of a short prediction clip, right after the result appears, then follow it with Awkward Crickets while the other person reacts, and save Risadinha de Ladrão for a later moment when the joke needs a laugh instead of a verdict.
About this sound
This is a short Portuguese voice clip, just over four seconds long, in which a speaker delivers the line 'Ah... Infelizmente, estou correto!' with a weary, drawn-out sigh before the admission. It feels smug and resigned at once, like catching someone out while wishing you had not been right, and it works best as a dry, knowing reply rather than a loud celebration.