The National Lampoon’s Christmas Vacation star had to be carried off the court and taken to hospital after the sporting mishap.
Perry, who was once a Canadian tennis champ in his youth, tells U.S. news show Access Hollywood Live, “I have a very fast serve, like a 115 mile-an-hour serve, but it’s got no spin… and I can’t really aim it… and six or seven years ago I was playing in a charity tournament in front of 2,000 people in Florida and Chevy Chase was on the other side of the net and I wasn’t serving to him… and I served a 115-mile-an-hour serve and hit him in the (genitals).
“He made the comedic face at first, and then (he went) down and had to be carried off the court by four people and straight to the hospital. I was like, ‘Oh my God, I’m so sorry!'”