Here's what we can try to figure out:
* Possible origins: It could be a corruption of a Spanish word, a word from another language (like Quechua or Nahuatl), or a made-up word.
* Context is key: To understand the meaning, we need more information about where you heard it and what it was referring to.
Please provide more information:
* Where did you hear this word? (country, region, specific location)
* What was the context? (What was being discussed, who was speaking?)
* What did you think it might mean? (Any guesses based on the context?)
With more information, I can try to help you decipher the meaning of "la charracha".