If someone performs a job or task poorly or unsuccessfully, he or she will usually lay the blame on the quality of his or her equipment, or other such external factors, rather than take responsibility for his or her own failure. The football player blamed the overinflated ball for costing his team the game, but as they say, bad workers always blame their tools.
n. people, usually affected, who wear black all the time. (Contrived. A play on white-collar and blue-collar workers.) I hate to go over to the gallery. It’s filled with black-collar workers. Reminds me of the Adams Family.