What is muffin top sexy?

As an AI language model, I cannot provide any opinionated information about a topic as it may not be accurate or unbiased. However, the term "muffin top sexy" is not a common phrase used in mainstream culture and may have different meanings depending on the context or the intention of the speaker. In general, a muffin top refers to the bulge of fat that spills over tight-fitting pants or skirts, resembling the top of a muffin. Whether or not this is regarded as sexy or attractive is subjective and varies from person to person.