In Jail Term used when faced with a difficult shot with little option for hitting towards the green.
Initiation Fee paid, up-front, prior to joining a private club. An initiation fee may vary between a few hundred dollars to nearly $100,000 at some of the most elite clubs in the world.
Inside-Out Swing path in which the players club, on the downswing, crosses under its path on the backswing, ending up directed more to the right of target than desired. Inside-Out swings typically result in either pushes, draws or hooks, depending on the position of the club face at impact.
Invitational Type of tournament in which contestants must be invited in order to play. The most recognizable invitational event in the world is the Masters Tournament held each spring in Augusta, Georgia.