A plaid shirt

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

A long sleeved, button up, collared shirt that is often worn by men to pick up women at a bar. Usually worn untucked with expensive jeans.

A man's shirt that is worn by the woman after they hook up.