obsequious
A fancy word for someone who’s going to be fired soon but still acts like they’re the most important person in the room. You're like a kid who thinks they're the king of the castle, but the castle is falling apart.
He said he was 'the most important person in the country' and then got fired for saying the president was 'kind of a mess.'
She acted like she was 'the most powerful person in the whole world' and then got replaced by someone who actually knew what they were doing.
He said he was 'the most loyal person to the president' and then got fired for calling him 'a little bit of a mess.'