- "What - the - devil - are - you - doing? You've just ruined the punch line of my Japanese golfer joke..."
- — Vernon Dursley accuses Harry Potter of ruining his joke.[src]
The Japanese golfer joke was told by Vernon Dursley to Mr. Mason and his wife during a dinner party in 1992. However, the punch line was interrupted by noises from upstairs, which were caused by the house-elf Dobby beating himself over the head with a desk lamp.
Vernon Dursley's lines in the joke
"So. When we arrive at the 9th hole..."