a delicious but awkwardly naked cupcake. muffins usually try to make up for their embarrassing lack of frosting by being filled with yummy treats like chocolate chips or blueberries. when eating a muffin, do not comment on the lack of frosting, for muffins tend to be self-conscious about this.
"I wish this muffin had frosting!"
"Shhh! You're hurting it's feelings!"