also: きっしょー
interjection
Casual interjection expressing disgust or revulsion, derived from the adjective きしょい (gross). Used in informal spoken Japanese.
See also: きしょい
うわ、きしょー!その虫、気持ち悪い。
Eww, gross! That bug is disgusting.
きっしょー、そんなの食べられないよ。
Yuck, I can't eat something like that.