A girl with a very large Butt-hole which is used to swallow people whole. No one has actually survived to tell what it feels like to be eaten by a Saundrea's giant ass-crack, though many believe it has teeth and a long, snake like tongue. Though I'm sure its very painful.
"Oh SHIT! He just got eaten by a Saundrea!"
"Yea!!! Dude there blood everywhere!"
"Help!!! its eating me!"