To be extremely surprised or frightened.

अत्यधिक आश्चर्यचकित या भयभीत होना

English Usage: When the fireworks suddenly went off, she nearly jumped out of her skin.

Hindi Usage: जब अचानक आतिशबाजी शुरू हुई, तो उसका कलेजा मुँह को आ गया।