hershey hands

When someone doesn't wash their hands after they poop, leaving feces in between their nails and embedded in their cuticles.

Watch out when Grandma pinches your cheeks.

Can also be used as a nick name. Example: Grandma Hershey Hands

I wouldn't eat that dip if I were you. Grandma double dipped and she's got Hershey Hands.

Oh no, Grandma Hershey hands is eating my fries!