Sybau spread through TikTok, Twitch and short-form video as a slang dismissal used in roasts, gaming banter and reaction clips, where creators drop it to shut down an overconfident comment. The fart version is a user-made meme remix rather than a line from a film or television show, pairing that dismissal with an exaggerated cartoon noise for comic deflation. It sits alongside other soundboard favourites such as fart with reverb, where the humour comes less from the words themselves and more from the sound that follows them. That readable contrast keeps it useful for quick edits and reply videos.