You said it's not a thing. It is, in fact, a thing. I've heard it and said it often enough to be sure it's not so uncommon that it's reasonable to say it's not a thing.

You also need to keep in mind what Google Ngram is.

https://books.google.com/ngrams/info

>> "When you enter phrases into the Google Books Ngram Viewer, it displays a graph showing how those phrases have occurred in a corpus of books (e.g., "British English", "English Fiction", "French") over the selected years."

It's a collection of books. Books remain relevant, but it tells you nothing of usage outside that. You only have to run a search on Google to see that it's used in a wide range of unrelated contexts. It's not some obscure anachronism or regionalism.