Yeah baby became famous as the signature catchphrase of Austin Powers, the swinging sixties spy played by Mike Myers in the 1997 film Austin Powers: International Man of Mystery. The line captured the character's confident, flirtatious charm and was repeated throughout the series, making it instantly recognisable even to viewers who had not seen every film. As short-form video and meme culture grew, the clip was lifted out of its original scenes and reused as a standalone celebration sound, which is why it still appears in edits, reaction videos and gaming highlights today.