'Let's go Brandon,' explained

On Friday night, a Southwest Airlines pilot allegedly said "Let's go Brandon" over the plane intercom, causing a stir on board and prompting an investigation by the airline.

As CNN wrote:

"The Associated Press, which had a reporter on board the flight, first reported that a pilot of a Friday flight from Houston to Albuquerque ended his typical greeting to passengers with the phrase "Let's go Brandon," which has become right-wing code for 'F**k Joe Biden.' The AP report said passengers responded with audible gasps."

If you follow Donald Trump...