What is the meaning of phrase can it you nit?

The phrase "can it you nit" is not a recognized English phrase. It's likely a misspelling or a phrase specific to a certain region or group.

It's possible the intended phrase is:

* "Can you knit?" This is a question asking if someone knows how to knit.

* "Can you get it?" This is a question asking if someone understands something.

* "Can you hit it?" This could refer to hitting a target or object.

Without more context, it's impossible to say for sure what the intended meaning is.