Jackassitude
The kind of attitude that makes you think the person has no brain and also no soul
He walked into the room and immediately started talking about his dog like it was a celebrity. That's jackassitude, straight up.
She yelled at the barista for giving her the wrong drink and then asked for another one. That's not just rude. That's jackassitude.
He took the last donut and then made a joke about it. I don't know if I'm more mad at him or at the donut.