The cat's meow, the dog's bollox, the best.

Someone who is possessed by clout chasing. The original human is now gone and a demonic entity that feeds on clout is all that is left. An empty shell with no control of their actions, forced to blindly react to situations they think will bring them attention.

Word said in place of "shit" when you realize you're in a crowd where the use of shit would be frowned upon.