Anyone else using adwords that has this problem? Or not using adwords? It's going to drive me up a freaking wall...
Edit! Ah, mystery solved. When I was first figuring out my personal site, I had a test site going, and never disabled comments there. (Which I had to do at all the other sites because MY GOD, the spam...) So, someone managed to comment spam that site, and it got into the 'oh, let's spam this...' radar for gambling, drugs and loans. A very simple solution - I'll just delete the whole damn site. That's the spot most of those hits were going, hopefully they'll die out after a few dozen 'you're lost' pages.