General Slang:
* Playa: This is a common slang term for a player, often used in a playful or humorous way.
* Game player: This term is more neutral and simply refers to someone who is skilled at the "game" of dating or relationships.
* Smooth operator: This term implies someone who is charming and manipulative, using their skills to attract others.
More Negative Slang:
* Heartbreaker: This implies someone who is intentionally causing emotional pain to others.
* Cheater: This refers to someone who is unfaithful in relationships.
* Cad: This is a more formal term for a man who is charming but dishonest.
* Dog: This is a more vulgar term for a man who is disrespectful to women.
Specific to a particular context:
* Ball player: This is used in sports to refer to a skilled athlete.
* Gamer: This is used in the gaming world to refer to someone who is skilled at video games.
The best slang word to use will depend on the specific situation and your intended meaning.