In Spanish slang, 'crema chantilly' is not necessarily a slang term. It is a direct translation of 'whipped cream'. However, in some contexts, it could be used metaphorically to refer to something that is the best or top-quality.
Examples
- Spanish: Este carro es la crema chantilly, tiene todas las funcionalidades que puedes imaginar.
- English: This car is the whipped cream, it has all the functionalities you can imagine.