Origin of the saying “Every dog has it’s day” | The Stunt …
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Feb 27, 2009 · It means everyone gets a chance eventually; or that everyone is successful during some period in their life. (Example: Don’t worry, you’ll get chosen for the team. Every dog has its day. You may become famous someday. Every dog has his day.) This is from the McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.