When you are giving the D in a cave.
When you go down to the cave to smash like a chimp

Ruth lives in the cave

Cave Sex
by 7"cock July 17, 2016
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2 men rubbing there penises together like a caveman starting a fire
lets go hav cave man sex in that alley back there
by dicy 132 September 22, 2008
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The state (often in the early stage/s of a relationship) of being in a state of constant sexual intercourse.

This state can last for weeks at a time and, can cause serious damage to your friendships.
"Where've you been for the last six weeks?"
"Since I started dating Joe, we've been in the sex cave non-stop."

"You coming to the pub next week?"
"Sorry bro, I'll be in the sex cave."
by rscotland October 25, 2012
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