A mousy girl is a girl who is small, petite, and adorable. However, she has no distinguishing features. Often she was the girl overlooked in highschool. She is basically a plain Jane. Yet astonishingly gets the attention of all the boys. While other girls look on in shock and amazement. Why you ask do boys like these mousy girls? Because they are small and the boys they attract just want to manhandle them. Therefore, mousy girls get all the boys.
Carl: Look at that mousy girl I could totally manhandle her
Scott: Dude go for it! Just think of how you could toss her around!