'Slot-machine type' to describe a person? What does it mean?

slots By the 1890s any coin - operated vending machine was called a slot machine , not just the one

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slot easy buy Bet Max- Bet max refers to the number of credits on a slot machine that a player can bet per spin Bet max is usually a button on the slot

slot cowboy slots By the 1890s any coin - operated vending machine was called a slot machine , not just the one