holy mackerel
An exclamation of surprise, shock, or astonishment. Holy mackerel, the bill for that dinner is nearly $200! We won the lottery? Holy mackerel, that's amazing news!
Holy mackerel!
Inf. Wow! Holy mackerel! What a beautiful day! Holy mackerel! What's this? A new car?
Holy mackerel!
(ˈholi ˈmækrəl) exclam. Wow! Holy mackerel! What a day!