Google Behaving abnormally

Now google is sending me arbitrary traffic for this blog.
My blog stats shows me that there are some traffics coming for the keyword "boy stand bside girl mean".
But my blog has no connection with it? Is google once again checking with Bing?
Surprisingly my blog tops on the search koch curve .I wrote about koch curve. I have also given a picture of koch curve like

 

koch curve.

But I did no SEO to bring it top. Can any one explain what is going on?

Crazy Things..

Hey every day we open internet and surf many sites,still there are things we may not have noticed.
I am just listing of some of them accidentally .If you know any such things please feel free to contribute.

1>You can Play Snake on You Tube . Use the direction arrows before the video starts playing (while it is loading)
2>You can log in to your gmail id even without using or using extra dots gmail does not count dot as an  character!!
3> you can still play Pacman on  google..it seems.
4>You can tell anyone to impress them that your mail id is mailid+anyname@gmail.com..Gmail will just ignore the +anyname and will automatically send the same mail to you.
5> and finally Pamela Anderson is banned keyword for Instant Google search