A person who you met over xbox live but you feel as if you found your best friend in the whole entire world! You and that person can talk about anything and laugh at everything. You text and talk and wish that you lived side by side. You and your xbox live best friend thinks they were seperated at birth.
xbox user 1: They talked all day yesterday and text all the time. Are you sure they arnt related?
xbox user 2: nope they have never met (or have met once)
xbox user 1: Ohh then they are just xbox live bestfriends