A racist name for a white person. Implying that their ancestors were feeble/ignoramus beings that took shelter in a cave. Thus resulting in their lack of pigmentation in skin and lightly colored eyes.
Bill: " I went to a party on the North Side last night and everybody was giving me weird looks!"
Dick: "What are you doing hanging out with those cave dwellers anyway? They really get under my skin."
A person who lives in a recluse environment, rather spend time alone than with the public.
second meaning: A person in a fight that jumps and pulls guard. He pulls his fighter to the ground in guard too finish the fight on his back.
I have never seen him before? That neighbor been living here a year, he's a caveddweller. He never leaves his house.
2nd define: that man is a true caveddweller. did you see him pull guard and triangle choke his opponent. the opponent was totally in the dark. had no clue.
A person who doesn't get out much or at all. Very commonly a gamer. Can also be a person who simply feels like he/she doesn't really add up with people.
Person: You need to get out more, you're such a cave dweller!
Cave dweller: Whatever... *proceeds to play Dota, lol and wow*