Peanut Butter Baby circulates online as a short meme clip rather than as a line from a film, song or television show, and its appeal comes from that everyday, unscripted quality. Shared in short-form videos and soundboards, it is picked up by creators who want a quick, instantly recognisable burst of baby laughing meme energy without needing any backstory. Its short length makes it easy to drop into edits, reaction videos and parenting content, and because the humour is visual and vocal rather than verbal, it travels well across different audiences and languages.