what is a rocktlat mean does enyone know?

It seems like you're asking about "rocket lat" but there's no established meaning for this term. It's likely a misspelling or a made-up word.

Could you please clarify what you meant?

* Did you mean "rocket launch"?

* Is it a specific term within a certain field or hobby?

* Maybe you saw it in a book or movie?

With more context, I can hopefully help you find the right word or meaning.