third person theatrics
The act of referring to yourself in the third person when you are trying to talk tough or brag about something impressive you've done.
Tibbs told the CEO that good third quarter results aren't good enough, if you don't make me a millionaire by 30, you should be replaced. Tibbs, you're crazy, you've got delusions of grandeur and third person theatrics. delusions of grandeur, narcissism, cocky, arrogant, self-absorbed