With no clear single source attached to the name, Pumkin circulates online as a short, reusable clip for meme edits and reaction videos. Its appeal comes from its brevity and its odd, memorable spelling, which makes it easy to search for, drop into a timeline and reuse without needing context. Creators tend to treat it as a throwaway gag rather than a quoted line, using it to punctuate a visual joke or break up an edit. That flexibility, plus its just over one second length, helps explain why a tiny clip keeps appearing in funny compilations and short-form posts.