(slang, pejorative, North America, vulgar) To be oblivious to the real state of things, from either stupidity or stubbornness.
No comments yet — say something.
Add your own interpretation of "have one's head up one's ass".
Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.