WILLIAMS: Well, after nine times of, you know, nine nos, like, nope, doesn’t work, doesn’t work, doesn’t work, doesn’t work, doesn’t work, doesn’t work, doesn’t work, then I had to kind ask myself a rhetorical question. How do you write a song about someone that’s so happy that nothing can bring them down? I’m paraphrasing. And the song ended up being the sarcastic answer to that.

https://www.npr.org/2024/10/07/nx-s1-5001928/pharrell-says-his-hit-happy-came-from-a-sarcastic-place