The term "tharki" is a slang word in Hindi and some other South Asian languages. It is often used to describe someone who is lecherous, lustful, or sexually obsessed. When a girl says she is "tharki," she is indicating that she has a strong sexual desire or that she is attracted to or interested in sexual matters.
It's worth noting that using slang terms like "tharki" can vary in meaning and connotation depending on the context and the relationship between the people involved. In some cases, it might be used humorously or as a light-hearted remark among friends. However, it can also be considered offensive or disrespectful, especially if used inappropriately or towards someone who finds it offensive.
As with any slang or colloquial term, it's essential to be aware of the cultural context and use such words with caution, making sure they are appropriate and respectful in a given situation. It is generally best to avoid using slang that could be considered offensive or inappropriate in professional or formal settings.