I'd say without the "played for laughs" being part of the definition. Tropes Are Flexible.
Reposting my proposed rewrite of the description, since it got buried in the insane back-and-forth between myself and Amy. Using Past Its Expiration Date as a placeholder title.
A trope about perishable items, Past Its Expiration Date is when a character attempts to use something — whether they're preparing a meal with old food or trying to use safety equipment that hasn't been serviced in decades — and having it prove unable to perform its intended function due to its age. While this is most often Played for Laughs, it can show up in dramatic situations as well. A common variant has the character noticing that the item in question is expired, then shrugging and using it anyway. In other cases, they use it without realizing it's expired — at which point you can expect a cut to the item's (usually long past) expiration date, followed by a Reaction Shot of the character using it.
When the expired item is food, this trope can lead to The Food Poisoning Incident. Contrast Older Is Better, when something is still good (and maybe even better than new stuff) despite being old.
Change the word "decades" to "weeks", and the description matches "anything past the expiration date". "Long past" works for weeks/months just fine when it comes to expiration dates.
NOT changing "decades" to "weeks" is unlikely to discourage tropers from listing "anything past the expiration date".
Still new. Still learning. Asking questions and making mistakes.
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Alternative Titles: Best Before Decade
30th Jun '13 8:22:33 AM
Vote up names you like, vote down names you don't. Whether or not the title will actually be changed is determined with a different kind of crowner (the Single Proposition crowner). This one just collects and ranks alternative titles.