heart skips a beat
informal
◇ When you say that your heart skipped a beat or that something made your heart skip a beat, it means that you suddenly became very surprised, excited, or nervous about something.
When I learned I was on live television, my heart skipped a beat.
The news was enough to make his heart skip a beat.
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Main Entry: ↑heart
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heart skips a beat — see ↑heart
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Main Entry: ↑skip
Useful english dictionary. 2012.