(Canada, US, vulgar, slang) To stop flattering someone (especially a superior) in an obsequious manner and supporting their every opinion.

(slang, derogatory, Canada, US, vulgar) To be oblivious to the real state of things, from either stupidity or stubbornness.

Synonym of know one's ass from a hole in the ground

(idiomatic, vulgar) To have an adequate level of knowledge or skill; to understand what one is doing or talking about.

(US) Alternative spelling of think the sun shines out of someone's arse

(Southern US, colloquial, mildly vulgar) An expression of astonishment upon learning something unbelievable (usually positive).

(idiomatic) Alternative form of put one's foot in someone's ass.

(Southern US, colloquial, mildly vulgar) An expression of astonishment upon learning something unbelievable (usually positive).

Synonym of know one's ass from a hole in the ground

Synonym of know one's ass from a hole in the ground