be in a flutter—
1. (also: be all of a flutter) be in a very nervous, confused, or excited state:
- The concert is coming soon. I’m in a flutter.
2. (of a room, etc.) be in a disordered or untidy state:
- Let me never see this room in a flutter again.
have a flutter —(coll.) gamble on a small scale:
- The opportunities of the share market were open…. Men and youths, women and maidens, all could have a “flutter.”