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someone's heart is knocking

idiom

Definition of someone's heart is knocking

informal
—used to say that a person's heart is beating very hard, usually from nervousness or excitement
  • His heart was knocking as he waited to meet his blind date.

Word by Word Definitions

someone play

  1. : some person : somebody

See the full definition of someone
heart play

  1. : a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood

  2. : a structure in an invertebrate animal functionally analogous to the vertebrate heart

  3. : breast, bosom

  1. : love:2

  2. : hearten

  3. : to fix in the heart

See the full definition of heart
knock play knocking

  1. : to strike something with a sharp blow

  2. : to collide with something

  3. : bustle

  1. : a sharp blow : rap, hit

  2. : a severe misfortune or hardship

  3. : setback, reversal

See the full definition of knock

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