Top Definition
A person that is a fan boy of the Microsoft Windows Operating System and becomes enraged when anyone tries to question anything bad about the Windows Operating System.
Person 1: "Wow Windows Vista sure does suck! It crashes on me all the."

Person 2: "WHAT? NO? Windows is the best! You just don't know how to use Windows."

Person 1: "Wow, your such a winfag"
by PowerUser1992 September 22, 2010

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