The phrase became widely recognized online through anime meme culture around Osaka, the fan nickname for Ayumu Kasuga from Azumanga Daioh, a 2002 series. Short reposts, remixes and captioned clips helped 'Sata Andagi' spread as a deadpan joke, especially in edits built around awkward timing and surreal humor. It remains popular because the delivery is so plain yet memorable, making it useful for reaction posts and anime compilations alongside clips like Tuturu.