One two buckle my shoe is the opening of a traditional counting nursery rhyme that continues with knock at the door and other paired numbers. The rhyme has been taught to young children for generations as a way to learn numbers in rhythm. This particular recording has no confirmed original source in the information provided, so its exact singer and release are unknown. Online, the line spread as a short repeatable chant that creators loop, remix and place over everyday counting moments, which keeps the familiar rhyme circulating as a meme.