One of Verna's friends had recently bought a barrel of strange, ink-like paint from a convention two weeks back. And since Verna was pissing him off, a good-old dousing from above seemed like fitting payback.
What neither of them was expecting was the shrinking, change of clothes, her hair melding into tentacles, or for her to become incomprehensible. He definitely wasn't expecting her to LIKE the changes, either.