WHAT IS A DEUCE? The only time this is different is when both you and your opponent have won three points each and the score is 40-40. This is called deuce. When the score reaches deuce, one player or team will need to win at least two points in a row to win the game.
"Deuce deuce" is slang for a . 22 caliber firearm or a 22-ounce bottle of beer. However, it's important to note that the term is also used in other contexts, so its meaning can vary depending on the context in which it is used. Duce  is a slang term for two,  and Duce Duce, stands for A.