(noun) A military junior enlisted or private's exceptionally loose female thing that show a readiness for duty or deployment to engage is sexual activity especially with newer military personnel . She is marked by having questionable morals, and can be available on a whim for sex at the barracks, in the car, off-post, at the club, or wherever it may be most convenient. She can be found with several accounts on various social media outlets to be better available. There is no emotional attachment or involvement simply just physical gratification.

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

(noun) A junior enlisted or new private's exceptionally loose female thing that is ready for duty or deployment for sex at a moments notice at the barracks, in the car, at the club, or wherever most convenient. There is no emotional attachment only physical gratification on a moments notice especially during a dry spell. Such person will be a frequent user of multiple social media outlets to obtain much sex from new enlisted personnel.