I had my heart in my mouth during the scary movie.
one's heart in one's mouth
idiomA state of nervousness.
As the plane started to shake during the storm, I had my heart in my mouth.
With his heart in his mouth, he stepped onto the stage to address the silent, expectant crowd for the first time.
- 01
abound in one's own sense
To follow one’s own inclinations and opinions.
- 02
absence makes the heart grow fonder
One feels more love or affection for those one loves when parted from them.
- 03
ace up one's sleeve
A surprise advantage of which others are not aware.
- 04
act one's age
To behave in a manner appropriate to one's age.
- 05
act one's age, not one's shoe size
Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).
- 06
afraid of one's own shadow
Exceptionally timid.
- 07
air one's dirty laundry in public
To reveal one's sordid secrets to the public.
- 08
air one's dirty linen in public
Synonym of air one's dirty laundry in public.
Last updated July 12, 2026