cunting
verb;
a woman, or group of women who go to a public place such as a restaurant or bar with the sole purpose of being complete and total bitches, would be cunting.

verb(2);
an overly aggressive woman who verbally abuses everyone she sees in an attempt to make herself feel powerful. Such a woman would be cunting. PMS often leads to major cunting.
The Spice Girls, after a particularly bad concert, decided to vent their frustration by treating themselves to a night of cunting at the local bar-strip.

(2)Jenny was cunting at work again trying to tell everyone what to do in a really bitchy and rude way.