Blow it out your ear slang rude
Used to tell someone to leave you alone.
A: "The party last night was so fun! You won't believe it." B: "Listen, I don't really care. Just blow it out your ear, okay?"
Blow it out your ear! I don't have time for your nonsense.
The idiom is used to say that someone is stupid, unthinking, or inattentive.
When I tell them anything, they look at me like the lights are on, but nobody's home.