Here's a breakdown:
* Malparida: This is a vulgar insult, often used to refer to a woman in a derogatory way. It literally translates to "evil-born" but carries a much stronger and offensive meaning.
* Piroba: This word doesn't exist in standard Spanish. It might be a regional slang term or a mispronunciation of another word.
Overall: The phrase "malparida piroba" is likely a highly offensive and derogatory expression. It's important to note that using such language is inappropriate and disrespectful.
If you encountered this phrase in a specific context, providing more information might help determine a more accurate interpretation.