Top 10 Darkest Full-Bodied Red Wines in the World. Full-bodied red wines are characterized by their mouth-coating density. So what are the biggest full-bodied red wines out there? Pay attention to a wine’s color and you’ll notice darker wines tend to be bolder. This is because a large portion of the flavor comes from the skins of the grapes. As you may already know, some grapes have thicker skins than others.