Commonly used irreverent phrase when spoofing popular comedian Jerry Seinfeld from the show Seinfeld. Other common phrases include "whats the dealllll?" and "who arrrrrrre these people?" While first made popular by fellow comedians such as Gilbert Gottfried, it is now popular for ordinary fans/detractors of Seinfeld to use this phrases as an imitation or parody.

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