A mental health condition in which people have an unreasonably high sense of their own importance i.e. a narcissist.
She's got delusions of grandeur - you know a Superiority Complex
when you look at a cow and say “haha, i eat you, bitch”
My friend was talking about how she likes to look at cows while she eats meat, and i said: “wow you must have a bovine superiority complex”