relatively dumb bitch

a person who may or may not be acting like a bitch relative to the person assessing said bitch.

"She is such a dumb bitch!"

"Well, not really, because being a bitch is relative. Relative bitch. Relative asshole. Relative abuse. It's all relative."

"True. I should reserve my judgement and just say she's a relatively dumb bitch insteaad."