1 definition by Tyler, Matt, and Daniel

Top Definition
A west coast prostitute with a very beaten vagina. Specifically, a very smelly vagina.
Can also be used as a verb when the person preforming the action is acting like a tuna rat.
Noun: Ewe! That whore has the nastiest tuna rat I have ever smelt!
Verb: Kristina was tuna rattin' real hard last night!
by Tyler, Matt, and Daniel February 21, 2009

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug