adj. someone that you are associated with non-stop, always asked if you are dating, but you aren't because one or both of you won't admit to liking each other.
The first line in the orgasmic song that is called Don't Stop Believing. If that one line is sung in any public place during a long period of silence it will cause everybody within a 30 foot radius to break out singing.
*In a library after 30 minutes of silence*
Guy 1: Just a small town girl...
Guy 2: ...Living in a lonely world...
Everybody: She took the midnight train going anywhere...