What's happening? Idioms: Sour grapes martin 10 April, 2013 Example sentence: "Barry said that Mike's hat was silly. It's just sour grapes!" Embed this illustration on Your Site: Kaplan English Idioms Illustrations Click the link for the full Food Idioms illustration! author: martin (317 Posts) Share this with your friends author: martin (317 Posts) View the discussion thread.