Similar to pussycunt it is mostly referred to males. A bitchcunt is someone that talks themselves up, but are usually the first to run from a fight, the jacks or any other threatening situation.
Dude 1: Where's Con?
Dude 2: He bailed as soon as the shit hit the fan.
Dude 1: What a bitchcunt...
When a group of women in the room reaches a certain level of bitchicity as to warrant a male to throw a box of tampons in the middle of them yelling" Fire in the hole”