Name for a woman who has too many children too young or by too many men.
Derrived from Shar Jackson's character, "Niecy Jackson" from "Moesha" (1996).
Shar has two children with her ex-boyfriend Kevin Federline, a daughter (b. 31 July 2002) and a son,(b. July 20, 2004).
She has 2 older children: born September 1995 and January 1991.
Her two youngest children, Kori and Kaleb now have Britney Spears as a step-mother when their father, Kevin Federline married Spears in September 2004.
"Watch out, she's going to pull a Nasty Jackson on your ass. . . have you taking care of other men's babies. . . ."