Adam Cole is a professional wrestler best known for his time in AEW and WWE NXT, where Bay Bay became his trademark sign-off at the end of promos and introductions. The phrase is a playful twist on his own name, shouted in a call-and-response style that live crowds quickly picked up and chanted back. Clips of the catchphrase spread through wrestling highlights, fan edits and short-form video, turning it into a shorthand for confidence and swagger. It remains popular because it is short, quotable and instantly signals a big entrance.