rat bastardry
noun: A specific act so vile that could only be committed by a rat bastard. Also, the art and science of being a rat bastard.
Cheating at cards and then lying about it when caught is an egregious act of rat bastardry.
Bruce is such and ass. He must be studying for his degree in rat bastradry.
Bruce is such and ass. He must be studying for his degree in rat bastradry.