in bad form

in bad form

1. Acting or behaving in a way that is considered socially inappropriate, distasteful, rude, or generally unpleasant. I'm sorry I was in such bad form last night, I hadn't gotten very much sleep from the night before.
2. In a bad condition or state, especially as relates to sports or athletics. Their goalkeeper is in bad form tonight. I think she is still recovering from that broken ankle.
See also: bad, form
References in classic literature ?
I begin to forgive you for being in bad form at dinner.