No flies on you – what does that mean?
If there are no flies on you, it means that you are very active and fast-moving, so that flies do not get a chance to settle on you.

Rhinoceros
It also means that you are quick to understand a situation or concept.
It also means that you cannot be deceived.
Photographer: Martina Nicolls
Martina Nicolls: SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM