Dickeys meaning : A louse. Dicky dirt = a shirt, meaning a shirt with a collar. A detachable shirt front, collar or bib. A hat, especially (in the US) a stiff hat or derby, and (in the UK) a straw hat. A seat behind a carriage, for a servant. A seat in a carriage, for the driver. The luggage storage compartment of a sedan/saloon style car. A leather apron for a gig, etc. A small bird; a dicky-bird. (in negative constructions) An insignificant sound or thing; dicky-bird. A pilot. A hedge sparrow. A donkey. A haddock.