An onomatopoeic word for the sudden feeling of being startled or the quick thump of the heart; used as an adverb or noun (e.g., to be startled).
彼の冗談でドキッとした。
His joke made me jump (I was startled).
夜中に物音がして、思わずドキッとした。
There was a noise in the middle of the night and I involuntarily jumped.
彼女の突然の訪問に父はドキッとした様子だった。
My father looked startled by her sudden visit.