(N.B. jack blacker is actually an
amalgamation of the games of
blackjack and
poker)
an affectionate term for any addiction, especially a gambling addiction where the person gambles away their money playing, specifically, as the word suggests, blackjack and/or poker
son: Dad, what is a jack blacker
Dad: son, it's when people are addicted
to card games where you need to
bet money, especially blackjack and poker. it becomes a disease that needs to be treated ASAP in that particular individual. Otherwise, people can lose their financial savings, their marriages, their property and the like. some even end up
doing harakiri in order to avoid shame