A Caveman

1. An early human or closely related species, popularly held to reside in caves.
2. (informal, figuratively, derogatory) A brutish or savage person.
3. (informal, figuratively, derogatory) A man with old-fashioned or backward opinions, particularly with regard to women.

Synonyms

• (early humans or related species): hominid, hominin, neanderthal, troglodyte
• (brutish or savage person): boor, knuckle dragger, lout, savage, thug, troglodyte
• (man with regressive opinions): chauvinist