be up and down

be up and down

1. To be alternately happy and sad, as due to depression or a traumatic event. My dad's been quite up and down ever since he lost his job at the factory. I was really confused as to why I was so up and down after having my baby, until my doctor told me about the baby blues.
2. To go back and forth between success and failure. Things were a bit up and down in the first few years of the business, but now we're seeing stable profit growth each month.
See also: and, down, up
References in classic literature ?
Here began another lesson, and in five minutes Jerry learned it was the will of Skipper that he should remain in the blanket, that everything was all right, and that Skipper would be up and down and near him all the time.