For current slang:
* Online slang dictionaries: Sites like Urban Dictionary, Dictionary.com, and Merriam-Webster have sections dedicated to slang.
* Social media: Look at trending hashtags, popular memes, or posts from younger demographics to get a sense of what's currently being used.
* Specific subculture websites: If you're looking for slang from a specific group (like gamers or musicians), there are likely websites and forums dedicated to that group where you can find their vocabulary.
For historical slang:
* Historical dictionaries: Many dictionaries focus on the history of language, including slang.
* Specialized books: There are books dedicated to slang from specific time periods or regions.
* Online archives: Libraries and universities often have digital archives of old newspapers and magazines, which can be a great source for historical slang.
Important Tip: Always keep in mind that slang can be context-dependent and change rapidly!