My dad said someone told him that if you quickly dumped a five gallon bucket of water on them, they could not spray.I don't know...
...I heard once that if one grabbed a skunk by the tail and lifted them off the ground that they couldn't spray because they need their feet on the ground to do so.
That said, I'm not inclined to even THINK about testing that theory.
He did test the theory.
It is not true.