rat beef 

1. A bitch (nasty person) who has rat features (teeth, general stance etc), or who has rat like qualities (high pitched squeak, high heart rate etc).

2. Applied to women with rather meaty vaginas.

1. She is vey much a rat beef.

2. She has a rat beef.

rat beef by billjim December 6, 2006

rat beef 

To start or be involved in a fight for a nonsensical reason with another person.

First guy; Hey dude watch out where you going!
Second guy: Fuck you!
Third and fourth guy: Looks they have a rat beef.

rat beef by nocodename April 12, 2021

Beef Rat 

A rat filled to the brim with Taco Bell class A beef.
Very edible.
Very squish.

I would like two number 9s, a number 9 large, and a beef rat.

Beef Rat by NotAGoodPersontoSociety November 14, 2018