noun

• (informal, countable) A person who works in a carnival (often one who uses exaggerated showmanship or fraud).
  "The Reverend Foster, self-ordained—or directly ordained by God, depending on authority cited—had an instinct for the pulse of his times stronger than that of a skilled carnie sizing up a mark."
• (uncountable) The jargon used by carnival workers.
• (informal, countable) A carnival.

verb

• (dialectal) To cajole, wheedle, or coax.
  "The crossing at St. Martin’s Church was mine fust of all; and when the other lads come to it I didn’t take no heed of ’em—only for that I’d have been a bright boy by now, but they carnied me over like; for when I tried to turn ’em off they’d say, in a carnying way, ‘Oh, let us stay on,’ so I never took no heed of ’em."

noun

• (dialectal) Flattery.