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1. Losing all control over typical courtesy and calling the significant other of a boss, leader, or other authority figure a "f*#king c^nt".
2. To break-up or seriously injure the unity of a group of individuals by insulting the leader's significant other with terms describing the female genitalia.
"Oh man he went totally synviess last night during SSC!"
by Fate of Burning Blade February 07, 2008
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