Narcissism – Too much interest in your own physical appearance; Exaggerated sense of self importance
"Na! Let's scissor them (narcissism). He was so convinced he looked amazing he believed everyone else should look the same. What an exaggerated sense of self-importance.
Examples of narcissism in a sentence
Those who suffer from narcissism become self-absorbed or chronic show-offs.
Since the king is full of narcissism, he ignores his citizens and focuses his time on satisfying his own pleasures.
He went to the gym every day, driven purely by narcissism.