Caveman

Etymology
From cave + man, based on the supposition that early humans dwelt in caves.

Noun

 * 1) An early human or closely related species, popularly held to reside in caves.
 * The political cartoon showed the politician as a caveman, clubbing the budget depcited as a mammoth.
 * 1)  A brutish or savage person.
 * The football squad was comprised of cavemen who were responsible for trashing many a locker room.
 * 1)  A man with old fashioned or backward opinions, particularly with regard to women.
 * Old Sven is a bit of a caveman; he figures giving women the right to vote was a bad idea.

Synonyms

 * neanderthal, troglodyte
 * boor, lout, savage, thug, troglodyte
 * chauvinist

Thesaurus
Bronze Age man, Hominidae, Iron Age man, Stone Age man, aboriginal, aborigine, ancient, antediluvian, anthropoid, ape-man, autochthon, bucko, bushman, cave dweller, fossil man, he-man, hominid, humanoid, jock, jockstrap, man of old, missing link, preadamite, prehistoric man, prehuman, primate, primitive, protohuman, troglodyte