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1.
Used to describe a young girl, who acts older than her age, "too grown" and self-assured for her age, to the dismay of her elders; used usually by Black Southerners. Popularized by Alice Walker, as "womanist", an alternative to "feminist" or "black feminist"
by Dnice October 14, 2003
 
2.
extremely and utterly childish and insecure.
Alexander Hamilton: "Hey Thomas Jefferson"
Thomas Jefferson: "I'm having PMS!!!!!"
Alexander Hamilton: "Your so womanish"
by Gertrude Smellyson February 17, 2009