look up any word, like cleveland steamer:
A crazy random girl who is tough and doesn't give up! She fights her own battles and does not take anything from anyone! She is not was you would call a goody two shoes she is a complete tomboy. When she has her mind set their is no going back. She is also a very loving and caring girl in her moments you would be lucky to have a Mary-Elizabeth!
by mead00 June 08, 2011
A woman that a man uses to fill the void in his life.

Derived from the popular teen novel, "The Perks of Being a Wallflower."
"He doesn't love her, she is just her Mary Elizabeth."
by el3ctricgirl June 20, 2009