1.) a term used when one desperately desires the physical company of another (regardless of whether or not such an act is be prohibited by the existence of long distance boyfriend/girlfriend) and tries to achieve this through texting
2.) When, after consuming alcohol or illicit substances, you decide to text inappropriate things to inappropriate people. The loss of dignity is especially mortifying if no response is ever received. Typically followed by vows to never drink again the following morning after checking your outbox.
3.) Drunk texting gone very, very bad. If "hey boy" by the Blow has ever seemed like it could be your theme song, you've probably texted away your dignity

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