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15.
Zero is when you don't want to be on bad terms with someone, but you don't want to be their friend. You're neutral; acquaintances. The scale measures from 10 to -10, 10 being good friends, -10 being enemies/hate each other's guts.
Mina is so annoying. Autumn doesn't want to be friends with her, but she doesn't want to be mean. She just wants to be zero.
by Hanamini May 01, 2009
 
16.
someone who is dark, mysterious, and sexy. a girl or guy that everyone wants.
"that girl is such a zero, she makes my pants grow"
by boogaboogabitch June 17, 2007
 
17.
The mathematical value between positive and negative values.
Zero add one equals one.
by Jammy4312 August 08, 2011
 
18.
A slang term that means happy or glad. I for one, think zero sounds like a depressed word but that's not what it means!
"Tom is feeling zero cause he got laid last night!"
"You want to be a zero person, otherwise you could have a pretty messed up life."
"You won't be zero when I show you this..."
by Andelio March 27, 2010
 
19.
the concept of zero can be explained by the abscence of a number
3-2-1... zero?
by c1t1z3n@hotmail.co.uk March 21, 2010
 
20.
Highest rating for a girl while using a reverse-rating system. Equivalent to a perfect 10.
Person 1: Hey do you see that girl that just walked by?
Person 2: What the hell, that's my cousin.
Person 3: Oh yeah. She's a zero.
Person 2: WTF is your problem.
by gggglol March 09, 2009
 
21.
v. in a multi-player gaming environment, to cause another player's score to drop to zero, thus removing him from the game or the round.
Hey, Hitman! U wanna zero Flame?
by Frank Booth January 01, 2005