Roulette Glossary – J
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W-Z
Jackpot
A very big win on a slot or other gaming machine.
Jacks Or Better
In a Poker game, a pair that does pay off only if the cards in the pair are Jacks, Queens, Kings, or Aces. Lower pairs do not pay off.
Joker
This is the 53rd. Card in a deck and often used as a wild card.
Juice
The funds taken in by the casino as a commission. Often called Vigorish


