The British Idiom – Heart in your mouth
Definition of Heart in your mouth
To have your heart in your mouth is to be extremely anxious or afraid.
Examples of Usage of Heart in your mouth
My heart was in my mouth when I asked my boss a pay rise, which I never got. A little kitten ran across the road in front of me today, while I was driving home. I couldn’t stop in time and ran over the poor animal. My heart was in my mouth fearing that I had killed it. When I looked in the rearview mirror I saw that it was unharmed and running across to the other side of the road.
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