Casino lingo

Doubling down - A second bet that strengthens your positions even if it is potentially risky. In blackjack, players double down after a look at the initial cards, with the requirement that one additional card be drawn.

Down and dirty - Commonly used in seven-card stud poker, referring to the last card of seven which is dealt face down. Down and dirty is also used to describe aggressive betting and competition.

Eight, Skate, and Donate - Generally used to describe a no-limit game whose minimum bet is $8.

El Paso - I’ll pass.

Eyes of Texas - Used in Texas Hold 'em poker, a pair of aces particularly when they constitute a player's down cards.

Fever - Fever (not fiver) refers to the card or bet of $5. If $5 turns up in Texas Hold 'em, the dealer may say: "Fever in the north and the doctor went south."

Filet Gumbo - Full house.
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‍High roller - Big spenders who flash more cash than the average punter but less than a whale. 

House - The casino is ‘the house’, and as singer Brandon Flowers croons: “Didn’t nobody tell you, the house will always win. Las Vegas.” 

Juice - The house’s commission on games like baccarat and craps. 

Let it ride - The name of a casino card game. Let it ride is also a term used by gamblers who let their winning chips remain on the table in roulette, hoping they will win again on the same number

Pit boss - The casino manager who ensures fair play. 

Railbirds - Spectators who watch the high rollers and whales from a distance without reaching into their pockets to play.

Rounders - Players who make the rounds of high stakes games. As Mike (Matt Damon) says in Rounders: “If you can't spot the sucker in the first half hour at the table, then you are the sucker.” 

Toke - A tip, usually for the dealer, from a player on a winning streak. The word comes from ‘token’ of appreciation. 

Whale - Uber-wealthy individuals don’t always care if they win or lose. They are there for entertainment. ‘Comped’ whales tend to pay for nothing!

Yeast Raise - A player sweetens the pot with: "Let's give it a little yeast,” meaning “I raise your bet with more money.” 

Z-Game - The smallest game in a card room or casino (the opposite of A-game).

Zombie - A poker player with no ‘tells’, who shows no emotion and gives nothing away about what cards are in his/her hand.