What 'Dilly Dilly' means -- and how Bud Light came up with its viral campaign

If you've seen or heard the phrase "Dilly Dilly" at your local pub or on social media in the last few weeks, you can thank Bud Light for turning the phrase into a cultural phenomenon. The company launched a series of adscreated by the Wieden+Kennedy ad agency that has gone viral, thanks to their constant appearances during commercial breaks in NFL and college football games.Recently at Business Insider'sIGNITIONconference in New York, we got to chat with the man ultimately responsible for the "D...