Language: a pig in a poke [AHED]

NOUN: Chiefly Southern U.S. A sack; a bag.
ETYMOLOGY: Middle English, probably from Old North French. See pocket.
REGIONAL NOTE: A pig in a poke is concealed in a sack from the buyer. The noun poke--meaning a bag or sack--dates from the 14th century in English. In many parts of Scotland poke means a little paper bag for carrying purchases or a cone-shaped piece of paper for an ice-cream cone. The Oxford English Dictionary gives similar forms in other languages: Icelandic poki, Gaelic poc or poca, and French poche.