look up any word, like bae:
 
1.
A white woman; specifically one that chases (usually) successful black men.
Katelyn Faber is a prime example of a cave bitch.
by Crushed Ice June 11, 2011
 
2.
Some bitch that looks like a neanderthal, complete with big forehead, unibrow, hunched back, etc.
Saw a cavebitch in walmart yesterday.
by jpg3 November 26, 2011
 
3.
A white guy's black girlfriend.
Marcus asked, "Did you guys meet Harry The Bull's Cave Bitch?" Dunstan replied, "Sure did. I never knew Harry The Bull had jungle fever?"
by dickvandice September 25, 2013