"Snappy" refers to something that is quick, lively, or brisk in nature. It often describes actions, responses, or styles that are done with speed and efficiency. For example, a snappy comeback in conversation is a quick and clever reply that catches others off guard. In the context of design or technology, "snappy" can describe user interfaces that respond rapidly to inputs, enhancing the overall experience. A snappy app or website loads quickly and allows users to navigate seamlessly, making it more enjoyable and effective for everyday tasks.