Friend of a friend
I'm not ttly sure if it's true -- I just heard it from a foaf.
|TMDF||To my dearest friend|
|TTYLMF||Talk to you later, my friend|
|JAF||Just a friend|
|biffles||Best friends for life|
May be used to describe a friend's friend; may also refer to the "Friend of a Friend (FOAF) project," a Web of machine-readable pages that describe people and the links between them.