1. a person who has the ability to silence the malicious or spiteful behavior of a man or woman in order to improve the quality of life of those effected.
1. The store clerk cringed at the screaming woman's behavior until a Bitch Whisperer arrived and calmed her down.
When you dislike someone so much that anything they do, no matter how minor or inoffensive, annoys you beyond any rational level - exemplified by the sentence "look at that bitch eating crackers like she owns the place".
"I can't help it she just drives me nuts, she'smy Bitch Eating Crackers."