1. Behaving any way in which one chooses with total disregard for public decorum.
2. (Less commonly) the belief by some members of society that they have an unqualified right to be supported by the public purse.
1. Did you see that singer bursting on the stage during another singer's awards acceptance speech? Talk about entitlementia!
2. Thinking you should keep getting bigger and bigger welfare checks each time you have yet another baby you can't afford is total entitlementia.