heart in one's mouth, have one's
Be extremely frightened or anxious, as in When the plane was about to take off, my heart was in my mouth. This usage alludes to the heart beating so violently that it appears to leap upward. [Mid-1500s]
Words nearby heart in one's mouth, have one's
heart cherry,
heart disease,
heart failure,
heart goes out to, one's,
heart in it, have one's,
heart in one's mouth, have one's,
heart in the right place, have one's,
heart is a lonely hunter, the,
heart is set on,
heart massage,
heart misses a beat, one's