The concept of a swearing rabbit seems both ludicrous and somehow familiar. Usually bashful, gentle animals, rabbits run into the grass at the first sign of danger. Still picture someone who, rather of running, stomps its foot and curses the world. It's insurrection covered in fur.
Hidden rebellion turns the swearing rabbit into a symbol. Limits exist even for the gentlest creatures; patience can break when put too frequently under examination. It reminds us that the vulnerable too can bite back; anger is not only for the strong.
On one level, the swearing rabbit is honest; on another, it is amusing. It shows us that even innocence speaks and that even the most silent spirit will want to be heard under pressure too hard.