As an expert in linguistics and etymology, I can tell you that the phrase "wiggly wiggly" is not a standard term in the English language. It seems to be a playful or informal expression that could be used to describe something that is moving in a wiggling or twisting manner. The term does not have a specific definition and is often used in a light-hearted or humorous context, particularly when referring to the movement of living creatures like worms or the playful actions of children.

However, it's important to note that the word "niggly" is not a recognized variant of "wiggly." If you intended to use "wiggly" twice, that would be correct. If "niggly" was meant to be a separate word, it is not a standard English word and could be a typo or a misreading. "Niggly" might be confused with "niggling," which means to worry about minor details or to be annoyed by something trivial.

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It's because that was the company's way of flagging their candy so consumers would know that it was an original Hershey's Kiss. The common little paper tail is known as a Niggly Wiggly.read more >>