What is deuce meaning?

Deuce has several meanings:

1. A playing card with two spots or the rank or denomination of this card.
2. A score of two in a game or sport.
3. A tie score in a game, especially in tennis.
4. (slang) A toilet or restroom.
5. (slang) Used to describe someone who is second best or inferior to someone else.
6. (slang) A nickname for a second child in a family, especially a twin.
7. (slang) A term used in street language or gang culture to describe a member's rank or position.

Overall, the meaning of deuce can vary depending on the context it is used in.