mad person

It was the beautiful wild thing that only a mad person with nice thoughts could do.

Fortunately the storm did not last long, but wore itself out like a mad person in a foaming rage.

She flew to him like a mad person, seized his hands and fixedly stared him in the face.

Prado testifies that he saw a mad person who continued bound and lying quite naked on his side upwards of fifteen years.

She becomes—oh, somebody else, like—and she fights like a mad person.