1. Used to describe a person or event that fails to fully meet their
potential and/or fails to accomplish its purpose
2. Disappointing, inadequate, insufficient, poor, lame
3. In reference to the term "muggle" used in the Harry Potter books by
JK Rowling, a person who possesses no magical skills or abilities,
hence unable to reach their full 'magical' potential
Trish said she would not go out with the group that night because her pinky hurt. She is mugglesauce.