Top Definition
1. Stinky fishy vagina.

2. Stinky fish hole.

3. Sloppy cooch.

4. Unwashed pussy.

5. Hot piece of ass.

Basically it can be be anything to describe the woman's privates! Good or bad.
D: Hey are you going to watch Michael Jordan's game tonight?

Ben: Hello no man. I'd rather watch two fat lesbians rub their tuna caves together.

D: That's hot man!
by Green Eyed Monster September 16, 2009
filling the vagina with tuna fish and having a cat eat it out
i just did a tuna cave with my cats
by cheesypotatoes March 21, 2011

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