An intense grudge formed by an unwanted result on the grudger's own doing ; seeking revenge upon someone for defending them self.
1-
That one guy who tried to rob my house totally has a bitch grudge against me because he got caught when he tripped my security alarm. What a bitch.
2-
Person one: You killed my father! Im gonna kill you!
Person two: Dude, he challenged me to a knife fight and lost, stop bitch grudging about your dad's stupidity.