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Casino Terms You Need To Know

Most online casino games are fairly easy to understand. However, this is not always the case when it comes to the terminology and colloquial expressions used.

From time to time, new casino terms are introduced. This is often not at the hands of the casinos themselves, but rather on the part of players, who over time have developed their own words or abbreviations to refer to something.

To help you stay on top of this, we have come up with a list of the most popular online casino terms, as well as their definitions.


A whale is a term used to refer to the casino’s highest rollers, both in terms of traditional casinos and online ones. If you’re a whale you bet big, play big and, hopefully, win big too.

Snake Eyes

This term is used to refer to the result yielded when a dice rolls two, as it is thought that the two black dots resemble the eyes of snakes.

Hole Cards

This is the term used for cards which are placed faced down so that nobody can see them. For example, in poker, players have hole cards hidden. The players can look at them, but none of the other players can see them.


RNG is the abbreviation for Random Number Generator. An RNG is used in games that involve the rolling of the dice or cards being dealt, as they are both random actions that require complete fairness. Slots also make use of an RNG as this generator is responsible for ensuring that unbiased, completely random results are achieved every time.


Short for eCommerce Online Gaming Regulation and Assurance, the eCOGRA Seal of Approval is only awarded to casinos that have proven to adhere to fair, honest and trustworthy standards of operation.** **


If you’re playing poker you’ll need to know that to call is to match the current bet amount.


This term is a shortened term for underdog, and refers to the weaker players or betting targets that most people think will lose. Often, betting on the underdog can yield big rewards.


This term is used to refer to any hand of blackjack that holds a value of at least 17 points or more.

There are several different online casino terms to learn, but these are perhaps the ones that are most well known. Now that you know what they mean, you can speak the same language as other seasoned players across the globe.

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