In Spanish slang, 'estar caliente' is often used to refer to someone being sexually aroused. However, it can also simply mean to feel physically hot in terms of temperature.
Examples
- Spanish: 1) Después de ver esa película erótica, él está caliente. 2) Está caliente en este cuarto, necesito abrir la ventana.
- English: 1) After watching that erotic movie, he is sexually aroused. 2) It's hot in this room, I need to open the window.