Abbreviated form of "Raughing out Roud"

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

The asian version of "lol"

Release on Own Recognizance: Similar to posting bail, except money isn't required as collateral.

An abbreviation for the programming framework Ruby on Rails (also called "Rails"). This web framework allows developers to build web applications very quickly.
It uses the Ruby programming language, and is known for its speed in prototyping ideas. So, it's a common thing for startups to turn to (at least at this time, ~2010).

A notable feature is that it has generators in the command line that seem "magical" in that they generate a lot of code for the programmer.

The asian way of saying LOL

"RiendO Ridiculamente"

- the variation of "lol" for the spanish language