The state of acting extremely bitchy. Usually used to describe a person who is habitually bitchy, and is currently exhibiting a particularly bad case of his/her unpleasant attitude.
An uncurrable disease contacted at birth by all females and a few unlucky males. Individuals with this disorder show symptoms simular to those portrayed by bitches.
Scarlet: "Complain, complain, complain, ect...."
Me: "Why are you bitching so much?"
Scarley: "Im so sorry, i'm havin a bad bitchitis episode."