YAY-NAY, “a poor YAY-NAY” fellow, one who has no conversational power, and can only answer yea or nay to a question.

YELLOW BELLY, a native of the Fens of Lincolnshire, or the Isle of Ely,—in allusion to the frogs and a yellow-bellied eel caught there; they are also said to be web-footed.

YELLOW-BOY, a sovereign, or any gold coin.

YELLOW-GLOAK, a jealous man.

YELLOW-JACK, the yellow fever prevalent in the West Indies.

YELLOW-MAN, a yellow silk handkerchief.

YOKEL, a countryman.—West.

YOKUFF, a chest, or large box.

YORKSHIRE, “to YORKSHIRE,” or “come YORKSHIRE over any person,” is to cheat or BITE them.—North.

YORKSHIRE ESTATES, “I will do it when I come into my YORKSHIRE ESTATES,”—meaning if I ever have the money or the means. The phrase is said to have originated with Dr. Johnson.