That rabbit has gone tharn.
Urban Dictionary: tharn
Describes the act of a person or animal being frozen in terror, e.g. a deer caught in the headlights.
Rabbits are absolutely terrified of baths.
My daughters raised and showed Rex rabbits in 4-H. The night before the fair I decided the only way to really get my twelve year old daughter's champion buck rabbit fresh and pretty was a nice warm bath in the tub.
I set him into the water. He kicked once, and rolled over dead as a doornail from a heart attack.
Dad was a bit in the dog house for quite a while.
Fortunately there was another rabbit in the hutch she could use for fair, and she still won Grand Champion of her class.