Mischief and Mayhem = DRM
There are already several common ones for book. http://www.cockneyrhymingslang.co.uk/
is a 'useful' site in this regard.
I like fish hook = book. Taking this one step further (which is allowed), ebooks (electr(on)ic books) are obviously eels.
"I don't want none of that mischief on my eels"