A surprise bestseller this holiday season is The New York Times: The Complete Front Pages 1851–2008 (black dog and Leventhal).
He did suffer from ‘black dog’ [depression] as he called it and having something to concentrate on was therapeutic for him.
The black dog in Edgartown, for T-shirts, hats and the like.
Drenched with talent, but haunted by the black dog demons of severe depression, DFW took his own life this year.
I put out my hand and found that it was the black dog which had followed us.
Beside the gold lay a black dog, which barked from time to time.
Here a great white swan is defending her nest against the attack of a black dog swimming rapidly toward it.
At length, no sheep appearing, Joe said that a black dog might answer.
A decided pull happened to the black dog rod, but the fish was away before I could take it up.
The crowd laugh; they make way for the blind man's black dog.
a metaphor for depression or melancholy