This phrase is not exactly slang, but a figurative expression which essentially means that the speaker likes things straightforward, clear, and without complications. 'Café claro' (clear coffee) is a metaphor for transparency and simplicity, while 'chocolate espeso' (thick chocolate) is a metaphor for depth and substance in experiences or people.
Examples
- Spanish: 'A mi me gusta el café claro y el chocolate espeso', dijo Luis cuando le preguntaron sobre su estilo de liderazgo.
- English: 'I like my coffee clear and my chocolate thick', Luis said when asked about his leadership style.