ORIGINALLY POSTED IN 2012
This is what my new icon was supposed to do... but it was too big for dA to handle. XD
When rats get very happy, they will begin to grind their teeth (called "bruxing") so hard that they be begin to boggle (their eyes go in and out of their sockets). It's because their masseter muscle lies right beneath their eyeball.
See it in action here!
Star (c) SlippingStar