Person (male or female) who are under the impression that they are the ruler of the world... or at least the establishment they are getting service in. Basically a person who expects to get what he wants in a store, restaurant, etc., with no regard to policies or laws.
B: I had the shittiest customer this morning!
C: What happened?
B: She expected me to take her friend's credit card, and when I told her I legally couldn't do it, she bitched me out and called over my manager screaming that she'd never shop here again!
C: Sounds like a classic entitlement bitch to me.
A person who is used to getting their way no matter what. A person who will not take no for an answer.
EB: I want my poodle gold plated.
X: We cannot gold plate poodles.
EB: I will not rest until I have complained to your manager, the president of your company, your mother, your poodle, your best friend and every person in this establishment until I get my way.