A bunch of people in here without something solid two feet to the left of them seem to be assuming that there is a perfect them-shaped vaccuum that they will be teleported into. That’s not the case. There is air there, and you’ll be just as dead as the guy sitting next to the family refrigerator.

Unless you are an astronaut currently in space, the only correct answer is “dying of multiple simultaneous embolisms, with or without widespread traumatic amputations, and ‘gross dismemberment’ (SFW, only text) from instantaneous pressure changes inside the body.”