n. 1. A master of the martial art of akisu.
2. One who repairs computer hardware or software as though it were a martial art form.
3. A hacker.
4. Probably also an actual ninja who acts as a "sneak thief".
Whoa dude, my computer is, like, seriously deranged. I'm taking it to see my friend; she's, like, an akisu ninja. She can fix anything.