1. Any complex task, often that requires monumental manual dexterity. ALT: Can be used sarcasticlly when a task is so easy that even an idiot can complete it.
2. When a person types really fast, often in a faux important or funny way.
2. Person A: Dude, he looks like he's really doing a lot of work.
Person B: Yeah, you'd think he was hacking the Matrix the way he's typing.
P2: (turns to computer and starts to furiously type) Can't talk right now, I'm busy hacking the Matrix.