Rat Bastard 

1. An annoying small rodent like dog who does nothing but piss off surrounding humans.
2. A person who cheats, lies, steals, or pisses you off in general.

1. That rat bastard of yours wakes me up constantly with his barking.

2. That rat bastard at the car dealership screwed me over.

Rat Bastard by Yeah Bearded Nun September 30, 2017

rat bastard 

An insult used to describe a ratty person, or someone who dresses poorly.

"Look in the mirror, rat bastard."

rat bastard by baileyjean June 24, 2005

Rat Bastard 

Neo starting a game of league without me

Neo, you rat bastard, you started a game without me.

Rat Bastard by neoscutie December 24, 2020

rat bastard 

A despicable person, usually pakistani origins

Do you want to hang out with Umer?
Nah man, he is such a rat bastard

rat bastard by CoolGamer123 September 22, 2021

Rat bastard 

You have to be called Finn to use this insult it is calling someone by the name of a rat and a bastard in ☝️

Oh Finn said your a rat bastard to jerome

Rat bastard by Finn turner robertson June 8, 2022

Rat Bastard 

Someone who knowingly, willingly, and deliberately cutting you off while you are driving.

“That Rat Bastard cut me off for no reason!”

Rat Bastard by Xemnes_24 May 31, 2023

Rat Bastard 

Someone who doesn’t care about life or others and often acts in own self interest to the detriment of life or others, typically their reasoning falls around financial bias and self serving interests.

That Rat Bastard just planned to cut down half the rainforest for the logging company.

Rat Bastard by Aknownmouse August 29, 2025