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2 definitions by Johnny Guitaro

 
1.
1) In maths, the act of changing the sign in front of a number from positive to negative, or vice versa

2) To make zero
1) 3 negafied is -3

2) That pink shirt will negafy your chance of scoring tonight
by Johnny Guitaro August 16, 2006
 
2.
n - A gentleman who happens to be "pleasing" four men at the same time, ie front, back and both hands. Also a universal insult like fucknoggin and bitch head.
Guy 1: "I date little girls and im the biggest tool in the world"

Guy 2: "Dont be such a quadrupler"
by Johnny Guitaro August 31, 2006