Hello, I'm an expert in linguistics and etymology, which is the study of the history of words and the way their meanings have changed over time.
The term "Niggly Wiggly" is not a standard phrase in the English language, and it doesn't have a formal definition or etymology. However, if we break down the components of the phrase, we can attempt to understand why it might be used in a colloquial or informal context.
"Niggly" is an informal adjective that can mean causing slight annoyance or worry, often due to being trivial or petty. It's derived from the word "niggle," which means to criticize or find fault over trivial matters.
"Wiggly" is an adjective that describes something that moves or bends in a twisting or undulating manner, like a worm or a wiggling finger.
When combined in a playful or informal context, "Niggly Wiggly" could be used to describe something that is both annoying and wiggling, perhaps in a humorous or endearing way. It's important to note that this phrase is not widely recognized and its use could be considered made-up or slang.
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