a bad taste in (one's)/the mouth

(redirected from bad taste in their mouths)

a bad taste in (one's)/the mouth

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.
See also: bad, mouth, taste

a bad (or bitter or nasty) taste in the (or someone's) mouth

a strong feeling of distress or disgust following an experience. informal
See also: bad, mouth, taste
References in periodicals archive ?
Roper says ongoing research into the details of flavor reception should ultimately prove helpful to people who suffer from dysgeusia -- a chronic taste-reception abnormality that can literally leave its sufferers with a bad taste in their mouths.
But when he dropped out of the race, that really let a lot of people down, and put a bad taste in their mouths.