beaver - whale
A cross between a beaver and a whale. Obviously not existent but used normally as an insult to someone who is abnormally large and very hairy. A beaver - whale can also used to describe someone very lazy and does little with their life.
person 1: 'look at grandma, she has been sitting there all day doing nothing!'
person 2: 'she acts like such a beaver - whale'
person 2: 'she acts like such a beaver - whale'