Yahoo!

n. coarse or ill-bred person

n. Internet media company which offers an online navigational guide to the Web

n. member of a brutish people from Swift's story "Gulliver's Travels"

interj. yippee!, oh yeah! (expression of joy or excitement)

Yahoo! Inc. is an American public corporation and global Internet services company. It provides a range of products and services including a web portal, a search engine, the Yahoo! Directory, Yahoo! Mail, news, and posting. It was founded by Stanford University graduate students Jerry Yang and David Filo in January of 1994 and incorporated on March 2, 1995. The company is headquartered in Sunnyvale, California.
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<World-Wide Web> Yet Another Hierarchical Officious/Obstreperous/Odiferous/Organized Oracle.
(Or a member of a race of brutes in Swift's Gulliver's Travels who have the form and all the vices of man, or an uncouth or rowdy person).
Probably the biggest hierarchical index of the World-Wide Web. Originally at Stanford University, Yahoo moved to its own site in April 1995. It allows you to move up and down the heirarchy, to search it and to suggest additions. It also features "What's New", "What's Popular", "What's Cool" and a random link.
Home.
(1995-04-05)

Noun
1. one of a race of brutes resembling men but subject to the Houyhnhnms in a novel by Jonathan Swift
(hypernym) fictional character, fictitious character, character

Noun
1. not very intelligent or interested in culture
(synonym) yokel, rube, hick, hayseed, bumpkin, chawbacon
(hypernym) rustic

Yet Another Helpful Operation Origin :-) 
Yet Another Hierarchical Officious Oracle :-) 
Yet Another Hypertext Online Organizer 
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