When someone is so dumb he literally can't be any dumber and is using - 50% of his brain capacity.
Have you seen what he did with his part of the group project? It's so dumb, I think he went ooga booga caveman brain.
by Lil rud October 13, 2020
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the act of a man beating a woman with a club to the point of bleeding, then using the blood as lube to fuck her. Often involves a running headstart.

See also: restrepo
I usually perform restrepo after I caveman dat ho.
by Nubris August 14, 2010
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Sarah Palin
Katy Perry
Ke$ha
Bristol Palin
Your Mom
Taylor Swift
Justin Bieber
George Bush
J WOW
Snooki
The Kardashians
and Princess Daisy.
Snooki is so easy a caveman can do it.
by Everything you're not! January 11, 2011
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Cavemen from 62000 BCE. Some still roam the planet to this day.
The Ethnohistorical Museum exhibits exiguous bits and pieces of Caveman Caveman remains and acts as the cynosure to many visitors.
by Magnetoencephalographies October 20, 2022
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Slamming your partner doggystyle and when you are about to blow, grab his/her hair so he/she can’t get away and blow all over your partner whilst screaming like a chimpanzee, optional actions are donkey punching or grabbing a stick and knocking your partner out
My partner was misbehaving today so I issued a caveman shower to assert my dominance
by Kyomado June 28, 2022
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When your dressed like Fred Flinstone and you give yourself a reach around while squatting
The best thing about wearing a kilt is dropping my shit and giving myself a reverse caveman while I'm down there.
by Tendervittles0 August 27, 2022
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Caveman Theory is what I like to call the dumbest ass things you could think of. Sometimes it feels good to think so stupid that it goes against all the laws of science.
What Phil's thinking:
Phil-Damn. What if everyone in the world is some robot and they're testing me to see whether I'll do my job.

Carol-Sup boy!

Phil-I didn't do shit!

Carol-Okay? Have you been having Caveman Theory?

Phil-Yeah.
by Shit brain May 15, 2010
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