The acronym FDB stands for several meanings such as "Fierce Drag Brunch", "Foul Dirty Bastard", "Fur Die Beste", and "Food Delivery Boy". The term Fierce Drag Brunch is related to an energetic and entertaining event in which drag queens perform while the audience enjoys their brunch. Foul Dirty Bastard refers to a person who is vulgar, uncivilized, and highly disrespectful. Fur Die Beste is a German phrase that means "for the best" and can be used to indicate that something is done in the best way possible. Finally, Food Delivery Boy is a person who delivers food to customers from a restaurant or food service.