To wear one's baseball cap turned inside out and often sideways to encourage a rally from your favorite baseball team. Must be performed in the confines of a sporting facility and works best in the late innings of a game with runners on base.

Noun: a friend who is usually only called upon by a friend when a more primary/prominent friend is unavailable.

Taken from the term “second string” in an athletic competition situation. In football, if the star quarterback gets injured during a play, the second string is called off the bench to replace him/her. A “Second String Friend” is essentially benched until needed, if ever.

Synonyms: Plan B, Second Choice, Secondary Friend, Benched Until Needed

1) (v.) To wear one's hat/cap in a way that differs from the normal fashion in which the person wears it.(i.e. Backwards, sideways, or inside-out). Often done for good luck.

2) (n.) A hat or cap worn in a fashion stated in definition 1.

When you put a condom on before you go out partying, because you know you'll forget at the end of the night, after all the boozin.