Jaw, speech, or talk; “hold your JAW,” don’t speak any more; “what are you JAWING about?” i.e., what are you making a noise about?

Jaw, to talk without cessation, to scold vehemently.

Jawbone, credit.

“We have a few persons whose pockets are to let—men who have more complaints than dollars—individuals who, in digger’s parlance, live on JAWBONE (credit), and are always to be found at saloons; a class of men who, when they are here, wish themselves yonder, and when yonder, wish themselves back.”—Times Correspondent, San Francisco, Oct. 21, 1862.

Jaw-breaker, a hard or excessively long word. Also, in pugilistic sense, a hard blow on the side of the face.

Jaw-twister, a hard or many-syllabled word. Elaboration of preceding.

Jazey, a wig. A corruption of JERSEY, the name for flax prepared in a peculiar manner, of which common wigs were formerly made; “the cove with the JAZEY,” i.e., the judge.

Jeames (a generic for “flunkeys”), the Morning Post newspaper—the organ of Belgravia and the “Haristocracy.”

Jehu, old slang term for a coachman, or one fond of driving.—Biblical.