You could say: 'That crazy lady was complaining on and on about her family and how they're all jerks. And I told her 'Relax and have something to eat.'
Or you could say: 'That meshugana was kvetching on and on about her mishpocheh and how they're all schmucks. And I told her ' Don't plotz. Have a nosh.'
The second is so much more interesting. Yiddish With Dick And Jane ($12).