heart in one's mouth

idiom

Definition of heart in one's mouth

informal
: to be very excited or nervous about something anticipated He waited for her arrival with his heart in his mouth. You sure don't seem relaxed—in fact, it seems like your heart is in your mouth.

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Dictionary Entries Near heart in one's mouth

heartily

heart in one's mouth

heart is in the right place

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Cite this Entry

“Heart in one's mouth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heart%20in%20one%27s%20mouth. Accessed 20 Jan. 2022.

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