ffbf 

faceless Facebook friend

I don't know him, he's just an ffbf.

ffbf by Old Time Portal Guy April 8, 2015

FFBF 

Fuck fake boyfriend

Fuck han, han er en FFBF

FFBF by Sjekkes ebdidiwlsndnklwsn June 7, 2017

FFBF 

For Females By Females

Susan: I read this list that shows how you should be texting me 'Good Morning" and "Goodnight" every day if you "REALLY" loved me!
Jack: Did you ever think those lists are FFBF with no male input

FFBF by NewJackCity4 November 27, 2017