have one’s heart in one’s mouth

(idiom) to be very nervous or scared about something

Example Sentence:

I have my heart in my mouth waiting for the new Britney Spears album to come out. I can’t wait!

Mary had her heart in her mouth because it was her first day at school.

Media:

Similar idioms:

1. on pins and needles
2. on edge
3. butterflies in one’s stomach
4. have butterflies
5. jittery
6. wear one’s heart on one’s sleeve
7. heart to heart
8. down in the mouth
9. put one’s foot in one’s mouth
10. live from hand to mouth
11. change of heart
12. shoot one’s mouth off
13. heart goes out to someone
14. know something by heart
15. put one’s money where one’s mouth is