Adrenaline rush

Pronunciation: /əˈdɹɛnəɫən ˈɹəʃ/

Adrenaline rush (noun)

  1. A sudden feeling of strong excitement and energy, often when you are scared, surprised, or under pressure.
  2. A fast body reaction caused by stress hormones, making your heart beat faster and your body feel ready to act.

Examples

  • The race start triggers a sudden energy surge in me.
  • A sudden energy surge can make you feel unusually alert.