1. To be pushed out of the mainstream and into darkness; to push someone from the spotlight and into obscurity
"Mr.
Tomlinson found, after a series of
public relations blunders and threatening remarks, that he was in the black and forgotten."
2. Existing in a forgotten or lost place, usually due to rejection or failure
"
Patrick's most recent book had failed. Whereas once he briefly enjoyed the spotlight, now he found himself quite in the black."