This is a fun one, maybe... If you go to Google Docs, type "search engine optimization" and click on the "Explore" feature - you will see that Google thinks the term "search engine optimization" is related to the animal, weasel.
I am not joking, it was spotted by Matt Storms and posted on Twitter. I confirmed it and replicated it myself.
Here is a screen shot:
I am not sure where it gets that from. Google Translate doesn't say that.
Maybe a lot of people who write in their Google Docs the term "search engine optimization" also add next to it that they are weasels?
Who knows.
Forum discussion at Twitter.