What does kalewa hebu mean in Swahili?

"Kalewa hebu" is not a valid Swahili phrase. It's likely a misspelling or a combination of words that don't make sense together.

Here's a breakdown of the possible meanings:

* Kalewa: This is a Swahili word, but it's not commonly used in modern language. It could potentially refer to someone who is tired or weak.

* Hebu: This is a common Swahili word meaning "please" or "come on".

To get a more accurate translation, please provide more context or the full phrase you're trying to understand.