Old jokes that you can't use anymore?

I once had a friend who was a stand up comedian. He did YouTube skits about his future wife. They went something like this. " dear future wife... please note that if my mother asks.. stir fried eggs are just scrambled eggs". We use to go around immigrating him. But can no longer do so, yes we were all young. What jokes can you no longer do?
Old jokes that you can't use anymore?
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