What is "grippy"

Usage examples of "grippy".

She slid carefully toward the front of the paired boards, the toes of one grippy shoe sticking out past the riding surface.

But I just couldn't hang around there any longer, the way we were on opposite sides of the pole, and the way he kept missing the bed whenever he chucked something at it, and his sad old bathrobe with his chest showing, and that grippy smell of Vicks Nose Drops all over the place.