I put down on my resume: "Recreational translation of video games, music videos, songs and television shows". And under technical skills I have: "Programming experience: basic Java programming, 65816 programming for Super Nintendo".
Honestly? I think it helped. It was brought up during my interview, and they seemed impressed by it.
If you wanted to talk about hacking, say it in a way that isn't illegal-sounding. "Recreational reverse-engineering of games for (x platform)".