<P> It was also used by the character Phoebe in Season 3 Episode 25 of the show "Friends" in 1997 . </P> <P> A BFF is a term for someone's best friend and are characterized by intimacy, trust, and permanence . BFFs are usually in close contact and have shared experiences, such as attending the same school or sharing musical tastes . Relationships described as BFF are common in high school and often decline when the parties go to college . The term BFF does not necessarily convey exclusivity; depending on a person's individual interpretation or philosophy of the concept of "BFF", an individual may or may not have more than one BFF simultaneously . </P> <P> Although the concept of having or being a "best friend" is ageless, the acronym BFF was popularized as a quick way for friends to sign off and express their positive feelings for one another while instant - messaging (IM - ing) on the computer or sending a text message on cell phones . </P> <P> The acronym "BFF" was added to the New Oxford American Dictionary on 16 September 2010 . The dictionary states that the acronym BFF originated in 1996 . </P>

Where did the term best friend come from