look up any word, like ac slatering:
 
1.
The term used when a person is so cool...even the word cool is not cool enough...
that is so nessa......= )
by lou.... May 12, 2006
 
2.
Nessa -short for Vanessa..a wonderful fun loving energetic person
Nessa can you come over here please?
by zollar December 30, 2008
 
3.
to be skilled in driving on halo pc and have the reflexes of a mongoose. to be able to know where your going and accomplishing it before even starting before you begin a race type map.
person 1: omg you got a 59.86 on that lap

person2: yea i drive pretty good huh

person 1: hell yea dude!! you pulled a nessa all over that track.
by crkd-pepsi June 22, 2006
 
4.
Shortened form of "necessary".
"I don't think that will be necess-"
"Yes, it IS nessa."
by Behest September 10, 2006