On choosing a bad time to break wind
No. 278: Crawling under your desk whilst unplugging your phone charger.
Extra credit: Fire risk caused by a dodgy electrical connection that produces arcs of electricity like Gozer the Destroyer spewing fire on the Ghostbusters
Extra extra credit: Laughing and farting and laughing some more as you realise the mortal danger in which you have placed yourself. Then farting
Extra extra credit: Knocking yourself senseless on the corner of your desk drawer as you try to escape your gaseous, firey, napalm-filled tomb. Witnesses may recall a loud 'Spang-g-g-g-g!" as noggin and office furniture collide
Extra extra extra extra credit: Having to explain the whole sorry incident in a) an insurance claim form and b) the accident book