"Rola-Grande" is a Portuguese term used as a porn video tag. It translates to "big roll" or "large roll" in English. In the context of adult content, this term could refer to one of two things:
1. A large, voluptuous body size or shape, often associated with curvaceous women and their figures.
2. A sexual act where one or both partners engage in rolling around together on a bed, floor, or any other surface, using their bodies to stimulate each other's erogenous zones through friction and movement.
This term is specifically related to adult content involving Portuguese-speaking communities, but it can be used universally as a tag for similar content.