Adjective used, usually by nerds, when the pros and cons make a decision difficult. It can also be used when you are too lazy or apathetic to make a decision.
"I'm plus minus on Obama, but Hillary definitely sucks!"
by sawb0nes February 24, 2008
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An indie band that totaly owns all. They have a danceband feel kind of like !!!. Very underground.
Person 1: Have you heard of +/- (Plus/Minus)?
Persen 2: Who
Person 1: Some tricked out band.
by A Voice August 12, 2007
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Plus or Minus Man is a Calculus superhero. He has the power to make square roots either positive or negative (plus or minus).

His other powers include the Integration Inferno, Derivation Disaster, and the dreaded, cataclysmic L'Hopital Derivation.
Person 1: "Amg, this Calculus test is so hard...negative one-half are you freaking kidding me??!!!"

Person 2: "Never fear, Plus or Minus Man will be here!! He will integrate and derive everything for us!!"
by PChao November 25, 2010
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