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2 definitions by NJ Jones

 
1.
1.One of the first members of the X-MEN
2. One the hottest members of the Marvel superhero team the X-MEN
1. Charles Xavier recruited Jean Grey into his acamedy while she was a young child.

2. Jean Grey had a tight ass in those movies
by NJ Jones July 22, 2006
 
2.
It's a chat word used for descriseing a fat man or woman's momma.
Your
Momma
Fat
Ass
YMFA. (it's its own sentence)
by NJ Jones October 06, 2005