What is the "Lambeau Leap"?

What is a "two-minute warning"? What do referees throw to signal a penalty? What do officials throw to mark a spot, such as a fumble or punt catch point? What color flag does an NFL coach throw to challenge a play? Which famous NFL broadcaster was known for his "Boom!" and telestrator drawings? Which announcer called the 1980 "Miracle on Ice" and later the NFL on ABC's 'Monday Night Football' and NBC's 'Sunday N… Which former Cowboys quarterback became a lead analyst for Fox and ESPN broadcasts? Which former quarterback became CBS's lead NFL analyst in 2017 and is known for predicting plays?