Karen

Karen, a woman (or rare cases, a man) is a person who is so entitled they are willing to scream at strangers to get what they want. These 'Karens' can be found on public forums such as r/PublicFreakout. The word 'Karen' is used to describe these individuals as 'Karen' is actually a short form standing for:
K- Know your rights
A- Accuse everyone
R- Request a manager
E- Escalate the authorities
N- Neglect reason

Karen- I would like to speak to the manager!
Bystander- Don't be a Karen.