leave a bad taste in your mouth

leave a bad 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 bad taste in my mouth. The way they conducted the interview left me with a bad taste in my mouth. I don't think I'd accept the job even if they offered it.
See also: bad, leave, mouth, taste

leave a bad taste in your mouth

or

leave a bad taste in the mouth

If an experience leaves a bad taste in your mouth or the mouth, you feel that there was something unpleasant about it. Some of the magazine's jokes about women leave a bad taste in the mouth. Note: Adjectives such as nasty, bitter, and sour can be used instead of bad. I'm not staying where I'm not wanted. The whole thing leaves a sour taste in my mouth.
See also: bad, leave, mouth, taste
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