1. To chew: This is the most common meaning. It refers to the act of grinding food with your teeth.
2. To chew on something: This meaning can be used in a figurative sense, suggesting that someone is thinking about or pondering a problem or situation.
Here are some examples:
* "He chavakkuka the food slowly." (He chews the food slowly.)
* "I am chavakkuka on the problem." (I am pondering the problem.)
The specific meaning will depend on the context in which the word is used.