It is when you dont actually tell the person to their face what your saying about them behind their backs.
I've heard her a couple of times telling her to get a grip and politely I might add...I would just have told her to grow up and stop behaving like a 3 year old diva! They are all happy to accept a big pay cheque, they should at least try...three trials she just didn't have a go at. Sooner she's gone the better
What about when Charlie was bitching about Hugo.?