A person who is not necessarily pretty, yet dresses slutty. A person who performs acts that are "Skanky" such as: Making out with someone you're not going out with, Perpetuating an aura of sluttiness, Or if the above are not present; carries the title of slut or whore. People who are sluts and whores can also be labeled as Skankymuffins.
A. God that Skankymuffin Sammy would not stop making out with Ryan!
B. you can feel how Skanky muffin that girl is when she walks next to you.