(as) cocky as the king of spades simile
Conceited or overly proud
Ben’s always bragging about his business success. He's as cocky as the king of spades.
Acting and behaving like you are of great importance, but actually, you aren't
Used to refer to a sarcastic person
If something is beneath someone’s dignity, they feel that they are too important to do it.
To behave in a way showing that you are confident and proud of yourself.
Used to describe someone who is extremely vain or conceited
If you fall for someone's trick the first time then they are at fault.
Are you going to mess with me again? Fool me once, shame on you; fool me twice, shame on me.