"Fuckable-BubbleButt" is a porn video tag that indicates the presence of an attractive, curvy female buttocks, also known as a bubble butt. This term suggests that the butt is large and round enough to be considered desirable for sexual activity. The word "fuckable" emphasizes that the individual finds this particular aspect of the person's body sexually appealing and would like to engage in intimate activities with them. This tag is often used by adult content creators and viewers who appreciate or have a preference for larger, more prominent buttocks on their sexual partners.