thegb05

Related to Graffiti, I came up with this:

http://news.ycombinator.com/item?id=3427835

Here's one I just thought of. Maybe not entirely serious:

Prostitution is illegal in most states. SOPA is nearly equivalent to shutting down a bar because somebody went into the bathroom and scrawled "For a good time, call XXX-XXXX" on the wall.