BFF

noun
\ ˌbē-ˌef-ˈef How to pronounce BFF (audio) \
plural BFFs

Definition of BFF

informal
: a very close friend A BFF doesn't gossip about or lie to you. She doesn't share your secrets on her MySpace page.Girls' Life

First Known Use of BFF

1987, in the meaning defined above

History and Etymology for BFF

Best Friends Forever

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