Place it right after the setup shot, as the cut that turns an ordinary food moment into a joke, then follow it with the Awkward Moment Sound Effect if the reveal falls flat, or the SpongeBob Boowomp Sound Effect when the avocado turns out to be a disappointment.
关于此声音
This is the short sung tag line from the Avocados From Mexico advertising campaign, delivered in a bright, cheerful commercial style in under three seconds. It feels instantly silly and upbeat, like a tiny ad break bursting into a serious clip, and it works because almost everyone recognises the phrase at once.