Someone who realizes that acting in their own rational self-interest is more important than living up to other people's expectations or trying to please society; someone who is proud of their own accomplishments and knows that his life has great value.

A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.

1. A believer in egoism
2. A self-centered or egocentric person

being egoist, is loving, respecting and admiring yourself more than any other being in the World. when you simply think, you're the best.
in better words: your egoist when you start feeling sorry for someone because you don't love him/her:)

Someone who only thinks of themselves