This
database is a comprehensive collection of all the American idioms and slang available.
American Idioms are many and varied. We hope you enjoy our collection. We are adding more all the time.
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If you think something will never happen or succeed, you can say that 'pigs might fly' (or 'pigs can fly' and 'pigs will fly'- the idiom is used in many forms)
The expression what will be will be is used to describe the notion that fate will decide the outcome of a course of events, even if action is taken to try to alter it.
This idiom in my opinion describes how it's not funny to be without a cent and just uses broke and joke as rhyming words that help explain this idiom a lot better.