Two cards of the same rank or suit dealt one after the other.
The long-term percentage of money played on a slot machine that is paid back out to players.
A slot feature where a symbol which is just off the payline will move up or down to it, resulting in a payout.
A hand that has a hard total of 17 or more. Unless the player is a card counter (and rarely even then), the player should never take another card.
A bonus offering one or more free spins.
Rhyming slang for the number 6.
Placing a buy bet on the 4 and 10. In exchange for a 5% commission, the payout is 2 to 1, rather than 9 to 5.
A poker variant where the worst hand wins. E.g. when straights do not count, A2345 cannot be beaten.
A betting strategy of wagering more after a loss. The Martingale System is the best known example.