butterflies in one’s stomach

(idiom) to be very nervous about something

Example Sentence:

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

Mary had butterflies in her stomach because it was her first day at school.

From the Blogs:

Are you feeling butterflies in your stomach?

Media:

Similar idioms:

1. have butterflies
2. jittery
3. on pins and needles
4. have one’s heart in one’s mouth
5. on edge
6. stomach
7. get one’s hopes up
8. one’s eyes are bigger than one’s stomach
9. guilty pleasure
10. fire away
11. fall through