What does it mean when a guy says he just 'jacked to it'?

When a guy says he just "jacked to it," he typically means he masturbated to something, often referring to a video, image, or other media that he found sexually stimulating. The phrase is slang and can be used casually among friends. It indicates a moment of personal pleasure or excitement. Context matters, as it can also reflect a humorous or light-hearted approach to discussing sexual topics.