The Vietnamese word "nắc nẻ" is an expressive term that describes a type of laughter. It means to burst into peals of laughter or to chortle. This word often conveys a sense of joy and amusement; it’s the kind of laughter that is loud and infectious.
In summary, "nắc nẻ" is a vibrant word used to describe hearty laughter, often in a joyful context.