"Gollies" is a slang term that originated in the UK and is often used to express surprise or frustration. While it is not a widely recognized word, there are a few synonyms that can be used in its place. "Gosh," "golly gee," and "oh my goodness" are all expressions that can be used to convey similar emotions. Additionally, "gee whiz," "wow," and "amazing" can be used as alternative words to describe something that is surprising or impressive. It's important to remember that slang terms are often region-specific and not all words may be universally understood.