The phrase comes from the mid 2000s lolcat era, when a photo of a walrus with a bucket captioned I has a bucket became one of the early viral animal memes on sites like I Can Has Cheezburger. The intentionally bad grammar matched the lolcat style of the time. As soundboards and short video editing grew, the caption was turned into a spoken clip and reused as a standalone joke. It remains popular because it needs no setup and references a piece of internet history many viewers still recognize.