JACK ROBINSON. Before one could say Jack Robinson; a saying to express a very short time, originating from a very volatile gentleman of that appellation, who would call on his neighbours, and be gone before his name could be announced.
JACK SPRAT. A dwarf, or diminutive fellow.
JACK TAR. A sailor.
JACK WEIGHT. A fat man.
JACK WHORE. A large masculine overgrown wench.
JACKANAPES. An ape; a pert, ugly, little fellow.
JACKED. Spavined. A jacked horse.
JACKMEN. See JARKMEN.
JACKEY. Gin.
JACOB. A soft fellow. A fool.