Acronym for "Fuck A Fruit Basket", a term originating from Toronto, ON, Canada, and coined by the Progressive rock band Day Job Orchestra. It is primarily used a filler for random dialogue, often used to end a sentence and/or awkward situation. it can often have many defintions, and is open to interpretation...
When all else fails, FAFB!
I have a business installing Styrofoam nuns, FAFB!
one can have sexual intercourse with laundry basket that is full of food high in Vitamin C and other juice related products, or you could simply say FAFB!