"When you're being pulled over for a DUI and you're guilty, you need to act quickly between the time the flashing lights come on and the police officer asks you for your license. Raw onions or papayas are one way to mask a breathalyzer test. But if you don't have any on you, faking an illness can explain away your inability to pass the simple motor skills test. Faking a serious illness and claiming that you were driving yourself to the emergency room buys you some time, especially if you play the foreigner tourist card."