This means that you are very smart, but not cunning. So you really deserve such a status. A lot of people spend a lot of time on this, on tutors, which can be found on sites like this one https://upskillstutor.com.ng/, based on teacher rating. A lot of people spend a lot of time absorbing knowledge in different areas to get status "smart as a whip". So you`re very sharp and smart when someone says you`re smart as a whip.