caveman -
A man with old fashioned or backward opinions, particularly with regard to women.
Wikipedia
A caveman/woman or troglodyte is a stock character based upon widespread concepts of the way in which early prehistoric humans may have looked and behaved. The archetype of "cavemen" originates with the discovery of Neanderthal remains. The term caveman, sometimes used colloquially to refer to Neanderthal or Cro-Magnon people, originates out of assumptions about the association between early humans and caves, most clearly demonstrated in cave painting or bench models.
OmegaWiki Dictionary
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caveman A prehistoric or primitive human living in a cave.
caveman Prehistoric, primitive human living in caves.
