Question: what is the dictionary definition of yahoo?
Answer: noun, plural Ya·hoos. (in Swift's Gulliver's Travels) one of a race of brutes, having the form and all the vices of humans, who are subject to the Houyhnhnms. (lowercase) an uncultivated or boorish person; lout; philistine; yokel. (lowercase) a coarse or brutish person.