The line comes from The Simpsons, the long-running animated sitcom built around everyday family interruptions and food jokes. As a short isolated quote it spread through soundboards and meme edits, where creators lift the demand out of its original scene and drop it into new situations. It stays popular alongside Homer clips because the condition is so specific and instantly clear, even without context. People reuse it whenever a call, visit, or announcement might disappoint, setting up pizza as the only acceptable reason for the interruption that follows in their edit today.