IDEA: while watching a football game, anytime your favorite team has a 3rd down and 9 yards to go situation, you do a shot. remember, you should be drinking beer continuously while watching football. Only 3rd down and 9 counts. No 3rd and 8, no 3rd and 10.
Recommended variation: If team encounters a 3rd and 19, do a double shot. If team encounters a 3rd and 29, tilt bottle and drink for 3 seconds. If team encounters 3rd and 39 - pray. Alternate variation: Any team encounters a 3rd and 9 do a shot. Very dangerous if you have NFL Sunday Ticket and you are a channel surfer. Works well for college games since they are played on Saturday and you have Sunday to recover.