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In the game of craps, “Ada” is a slang term used to refer to the number 4. This term is often used when placing bets on the craps table, such as “I'll bet $5 on Ada.” The origin of this term is unclear, but it is thought to be derived from the name of a popular craps player or dealer. Some people also speculate that the term comes from the first two letters of the word “four,” which is the number being referred to. However, there is no definitive answer as to where this term originated from.
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