leave a bad/nasty taste in the/your mouth

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

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
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