Awesome!, 5 letters
Fan-tastic!, 5 letters
Goodness gracious!, 5 letters
Holy cow!, 5 letters
Holy mackerel!, 5 letters
Holy moly!, 5 letters
Holy smokes!, 5 letters
Hot diggety!, 5 letters
Hot dog!, 5 letters
Ni-i-i-ice!, 5 letters
Omigosh!, 5 letters
Ooh-la-la!, 5 letters
Outta sight!, 5 letters
Wowie ___!, 5 letters
Yahoo!, 5 letters
Yikes!, 5 letters
Cry of delight, 5 letters
Ecstatic exclamation, 5 letters
Exclamation, 5 letters
Exhilarated exclamation, 5 letters
Expression of surprise, 5 letters
Shout of delight, 5 letters