get off (one's) high horse

To stop acting as if one is better than other people; to stop being arrogant or haughty. Sam is never going to make friends here until he gets off his high horse and stops acting like he knows more than all of us. You're just an intern, so get off your high horse and do this filing, like I asked you to.

Common Names:

Name	Pronounced	Usage
Lucilla	-	Italian, Ancient Roman
Palmer	['pa:mə]
Krystyna	kris-TI-nah	Polish
Kathrine	-	Danish, Norwegian
Gray	[grei]
Khulan	-	Mongolian