Odds

Ratio of probabilities.

"In Blackjack, your Odds of winning with less than 16 are not great."

On Tilt

An adverse reaction to an unlucky situation that can cause a player to beging to play wildly and out of control.

"When he hit his only out on the river I went On Tilt."

Open

In poker, the player who bets first.

"When you Open, you're betting first."

Outside Bets

Roulette bets located on the outside part of the layout.

"Outside Bets involve betting 12 to 18 numbers at one time."

Overlay

A good bet where you have an edge over the casino.

"An Overlay is a benefit to any player."