Tuna Hole 

Its a statement for a lady's vagina that reaks of a 3 month old codfish sitting in her pussy.

Can also be used as a term of endearment.

"Hey Nicole, whos my little Tuna Hole?"

Tuna Hole by Uh-Oh April 14, 2005

Tunahole 

A vagina that doesn't smell pleasant.

Damn...you can just smell her tunahole when you sit next to her!

Tunahole by DruAlgo March 28, 2009