Here are some reasons why someone might use "skillywiggler":
* To be silly or playful: Children often invent words for fun.
* To be whimsical or imaginative: Writers or artists might use it to create a whimsical or fantastical atmosphere.
* To mock or ridicule: Someone might use it to make fun of someone else's language use.
If you encountered the word "skillywiggler" in a specific context, please provide that context so we can help you understand its intended meaning.