What does the squiggly line in Portuguese mean?

Please clarify what you mean by "squiggly line." Portuguese, like many languages, uses various punctuation marks, diacritics, and symbols.

To help me understand your query, could you please provide:

* An example of the squiggly line you're referring to?

* Where does it appear? (in a word, a sentence, a text, etc.)

* What is the context? (e.g., a book, a conversation, a website, etc.)

Once I have more information, I can provide you with a more accurate answer.