Top Definition
1. an abbreviation for "board traitor" - anyone, esp. female, that stabs her friends in the back over petty ideology.

2. A woman who shows her boobs to online friends.

3. A married woman who is jealous of her online male friends' female friends.
She went wncs on me.

Pull a Wncs and show me your boobs.
by openly_incognito February 20, 2008

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