bftd
Refers to the main characters of Red Dwarf, a classic BBC comedy, who are the Boys From the Dwarf.
Lister, Rimmer, Cat, and Kryten are members of an exclusive fraternity, the Boys From the Dwarf or BFTD.
BFTD
Best Friends Till Death
Kristina and Caitlin are BFTD's
BFTD
Back from the dead
Sorry I was sleeping but I’m BFTD
BFTD
Best Friends To Date
Bob and Jim are definitely BFTD.