great googly moogly

An exclamation of joy, awe, or fright. ...An utterance of great surprise.

great googly moogly that's a huge watermelon!

Sweet Great Googly Moogly

1. A term used to express surprise or shock
2. It can also be used to express curiosity

1. Do you know about onings?
What in the sweet great googly moogly is that!? (Curiosity)

2. Did you hear about what happened to Savannah?
Nah.
She got pummelled by Teresa
SWEET GREAT GOOGLY MOOGLY!