What does egotistical mean?

Tending to talk excessively about oneself.

Explanation:

excessively conceited or absorbed in oneself; self-centered.

Explanation:

basically you only care about yourself, not caring what you think of others. Or you make yourself seem like you are higher ranked than others.

Hope this helped, because i have to deal with my cousin acting like this all the time

the use of “as” in the example to draw the resemblance. some more examples of common similes are given below. common examples of simile. our soldiers are as brave as lions. her cheeks are red like a rose. he is as funny as a monkey. the water well was as dry as a bone. he is as cunning as a fox. simile introduces vividness into what we say.