BLF is an acronym for Best girlfriend. A female buddy that is on top of the close-friends record. It really is a platonic commitment. Usually men use this term to spell it out the relationship he's got with all the girl he hangs out with the time, if this woman is maybe not his girlfriend. (n) Acronym for "Banking Lotta Funds"Coined originally because of the most readily useful unknown rapper - King Ton - also known as 3 Ton Rey (spell it wit' an "e" not an "a"), it implies that the topic of title tends to make a bit of money. 1) An acronym for Blown Load Fruit Salad. A salad comprising Cantelope, Cool Whip, romaine lettuce and person sperm.2) Any good fresh fruit salad containing real human sperm.