'YAHOO' definitions:

Definition of 'yahoo'

noun

A person who is not very intelligent or interested in culture [syn: yokel, rube, hick, yahoo, hayseed, bumpkin, chawbacon]

noun

One of a race of brutes resembling men but subject to the Houyhnhnms in a novel by Jonathan Swift

noun

A widely used search engine for the web that finds information, news, images, products, finance

From: GCIDE

yahoo \ya"hoo\ (y[aum]"h[=oo]), 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. [Webster 1913 Suppl. + WordNet 1.5 + CM]
2. Hence, any brutish or vicious character. [Webster 1913 Suppl.]
3. A raw countryman; a lout; a greenhorn. [U. S.] [Webster 1913 Suppl.]
4. Someone who is not very intelligent or not interested in culture.
Syn: yokel, rube, hick, hayseed, bumpkin, chawbacon. [WordNet 1.5] Yahweh Jahve Jahveh