Sentence examples for a stupid from inspiring English sources

The phrase "a stupid" is not a grammatically correct or complete sentence in written English.
It is unclear what the phrase is trying to communicate, as "stupid" is an adjective and needs to be followed by a noun to make sense. However, it could be used in spoken English as a slang way of saying "a stupid person". Example: "Did you hear what she said? She's such a stupid!".