Several of the Penguins have had mumps lately. Nausea and vomiting are some of the symptoms. Ref might have caught it from them.
Also—the Penguins, while incubating mumps, made a visit to the Pittsburgh Children’s Hospital. It’s where the very sick children are being treated.
Next day the story about them getting mumps was a headline on the Sports page!
Maybe he was barfing at how shamelessly the Pens dive.
Bump one and they go down. Did they learn that from Coach Bylsma?