깜짝이야! · 아, 깜짝이야! · polite: 깜짝 놀랐어요
you scared me!, oh, you startled me!
Example
아, 깜짝이야! 언제 들어왔어요?
Oh, you scared me! When did you come in?
Word parts
깜짝 'with a start' + -이야 'it is': literally '(that was) a start!'
Good to know
Blurted out on reflex, even to older people; to sound more polite afterwards, add 깜짝 놀랐어요 'I was startled'.
Related words