a rat is usually a annoying little pet but if you want to call a human a rat that means that they are quiet annoying short person
Someone who is a rat is annoying/ugly
Kathy: omg! She is annoying and ugly!
Marcus: she is a rat then!
DONT TALK ABOUT BRUNO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
7 foot frame rats along his back and when he calls your name it all fades to black