Originally Posted by Scifience

Don't you mean 被河蟹了 ("river-crabbed")?
FYI, the river crabs are the enemies of the 草泥马 (grass mud horses).

(Also, I'm quite surprised that I was able to find that song on Youku without any trouble; it was itself "river-crabbed" for quite some time after it was picked up by the NYT and other Western media.)