When a fat girl won't stop talking about how fat she is so you slap her with any variety of oscar meyer sandwich meat. Preferable extra-long hotdogs, and then proceed to say "even fat girls can suck weiners!"

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