This may resemble Britney Spears because it's based on her. It refers to any talentless hack who doesn't deserve success and adulation, even while doing whatever shameless thing it takes to command unwarranted attention and/or stay in the public eye.
"Oh, Kanye, stop pouting about not winning all those awards. You're acting like a Twitney Spheres."
a door darkener who wants to spread the dubious good news about Jehovah, but doesn't have enough mental processing power to sustain an argument about it.
I just had a jehovah's twitness at the door - he was thick as pig shit and twice as smelly so I slammed the door on him.