This website has a good top 10 collection of memorable gaming related movie quotes
Top-10 Gambling Movie Quotes - a few already mentioned in this thread.
10.) Shelly Kaplow (Alec Baldwin) in
The Cooler [referring to Bernie "The Born Loser" Lootz]
Kaplow: "That guy is kryptonite on a stick!"
9.) Sonny LoSpecchio (Chaz Palminteri) in A Bronx Tale
Sonny: "We've been mushed!"
8.) Frank Catton (Bernie Mac) in Ocean's 11 [in reference to him thinking the Nevada Gaming Commission is racist]
Catton "They might as well call it
whitejack!"
7.) Marty the Blackjack Dealer (Wallace Shawn) in Vegas VacationMarty: "You don't know when to quit, do ya Griswold?...Here's an idea: Why don't you give me half the money you were gonna bet, then we'll go out back, I'll kick you in the nuts, and we'll call it a day!"
6.) Jay Trotter (Richard Dreyfuss) in Let it Ride [In a conversation about picking the winner in a horse race]
Marty: "Eight's the one. I'd stake my life on it."
Trotter: "Sorry Marty, they've got a $2 minimum bet."
5.) Walter Abrams (Al Pacino) in Two For the Money
Abrams: "You know the best part of the best drug in the world isn't the high. It's the moment just before you take it. The dice are dancing on the table. Between now and the time they stop, that's the greatest high in the world."
4.) Ace Rothstein (Robert DeNiro) in Casino
Rothstein: "Nicky's methods of betting weren't scientific, but they worked. When he won, he collected. When he lost, he told the bookies to go f*ck themselves. I mean, what were they going to do, muscle Nicky? Nicky was the muscle."
3.) Jack Singer (Nicolas Cage) in Honeymoon in VegasSinger: "Do you know what a straight flush is? It's like…it's like unbeatable."
Betsy: "'Like unbeatable' is not 'unbeatable'"
Singer: "I
know that now."
2.) "Fast" Eddie Felson (Paul Newman) in The Color of Money
Felson: "Money won is twice as sweet as money earned."
1.) Mike McDermott (Matt Damon) in Rounders
McDermott: "Listen, here's the thing. If you can't spot the sucker in the first half hour at the table, then you
are the sucker."