Some customers thought they're funny but ..
Customer : 220.
Me : errr .. (WTF?)
Me: How may I help you?
Customer : Pay for my credit card outstanding balance.
Me: Is there anything else I can help you with?
Customer: Yeah, give me the winning lottery number.
Me: Blah Blah Blah this product would be useful would you like to avail?
Customer: OMG, did you even breath? You'd better be rapper and make more money.
... but maybe yeah they can be funny if you're in the mood. LOL