There's a comedian who does that. 

Mostly with emails but I've seen him do it when they call too 🤷🏽

There was one where he had em thinking he was going to buy gold by the tonne and using codewords that were candy related and wouldn't answer if they didn't use the code to speak to him.  

 https://youtu.be/4o5hSxvN_-s?si=ZuRGH2dueU24G46i 

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🔗 Clean URL(s):
https://youtu.be/4o5hSxvN_-s

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?si=ZuRGH2dueU24G46i 

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