yahoo /(yä"ho͡o)/

ya·hoo

yahoo

n.
  1. One of a race of filthy brutes resembling men but subject to the Houyhnhnms in Swift's “Gulliver's Travels.” See in the Dictionary of Noted Names in Fiction.
  2. Hence, any brutish or vicious character.
  3. A raw countryman; a lout; a greenhorn. [U. S.]
  4. Someone who is not very intelligent or not interested in culture.