11. While visiting the boy in the bubble
10. One word: Jenga!
9. Standing on a narrow platform 90 feet above New York (David Blaine only)
8. During Nathan's famous hot dog eating contest on hot dog #34
7. When hand-soldering the last circuit on your robot
6. While travelling back in time and squeezing off the shot to assassinate Hitler
5. While wearing your Red Sox hat at the urinal trough at Yankee Stadium
4. When cutting the red or blue cable to deactivate the bomb
3. At your own wedding reception after a swig of red wine
2. On a space walk
1. While receiving your lifetime achievement award at the I-Have-Never-Sneezed Club.
Worst times to sneeze
Use of undefined constants causes assumptions!