golly
interj. countable C2 Proficiency US //ˈɡɑɫi// UK //ɡˈɒli// gol·ly
interj. a word used to show that you are surprised or impressed. It is an old-fashioned way to react to something unexpected.
interj. an exclamation of surprise, wonder, or shock. Historically used as a euphemism for 'God', it is now considered dated or quaint in most contexts.
Golly, I didn't expect to see you here today!
Golly, that is a massive cake you have baked for the party.
The elderly gentleman looked at the modern smartphone and whispered, 'Golly, things certainly have changed since I was a lad,' with a mixture of confusion and genuine awe.
Usage
Used as a standalone exclamation or to introduce a sentence; carries a polite, old-fashioned tone.