Place it at the end of a short gag, right after the banana is shown or named, so it closes the bit. Follow it with Ba Dum Tss Sound Effect for a classic joke finish, or put Correct Ding Sound Effect just before it when someone guesses the fruit correctly.
关于此声音
This 4.5-second clip catches a Minion excitedly shouting 'banana' in the high, squeaky, nonsense-heavy voice fans know from the Despicable Me films. It feels bright, silly and instantly cheerful, like a tiny burst of cartoon chaos that makes a joke land even with no context.