U
U. S. COVE. A soldier; a man in the employ of the United States.
U. S. PLATE. Fetters; handcuffs.
UNCLE. A pawnbroker.
UNDER-DUBBER. A turnkey.
UNICORN. Two men and one woman, or two women and one man banded together to steal.
UNTRUSS. To let down the shutters of a store.
UP HILLS. False dice.
UP THE SPOUT. Pawned.
UP TO. Knowing.
UP TO SLUM. Humbug; gammon.
UP TO SNUFF. Cunning; shrewd.
UPISH. Testy; quarrelsome.
UPPER-BENJAMIN. An overcoat.
UPRIGHT MAN. King of the gipsies; the head of a gang of thieves; the chief of banditti.
UPRIGHTS. Liquor measures.
USED UP. Killed; murdered.