leave a nasty taste in (one's) mouth

leave a nasty taste in (one's) mouth

To give one a negative impression (based on something that has already happened). I don't know, man, the fact that he lied to you just leaves a nasty taste in my mouth. The way they conducted the interview left me with a nasty taste in my mouth. I don't think I'd accept the job even if they offered it.

See also: leave, mouth, nasty, taste

leave a bad/nasty ˈtaste in the/your mouth

(of an experience) make you feel angry, bitter, or disgusted: The idea that the money had been stolen from her sick mother left a nasty taste in the mouth. ♢ When you see someone being treated so unkindly, it leaves a bad taste in your mouth.

See also: bad, leave, mouth, nasty, taste