The phrase plays on the long running Now That's What I Call Music compilation wording, twisted here with the internet slang thicc for exaggerated thickness. The exact original recording is unclear, but the clip spread through meme soundboards and short video edits as a reusable reaction line. It stays popular because the wording is instantly understood without context, fits gaming, anime and pet videos alike, and gives editors a clean vocal punchline for any reveal that is meant to look comically large.