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When a passenger risks his life to fix something on the outside of the car by pulling himself through his window using his seatbelt as a tether - all the while, the driver never slows down. Usually the result of rushing to reach one's destination in a p.o.s. vehicle.

Note: beware of rain at high speeds.
Jonathan: The windshield wiper came loose again! Evan, spacewalk.
Evan: We're going 80 miles an hour! The rain feels like bullets, let's just pull over-
Jonathan: Never!
by cubby821 June 29, 2011
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When a person is spaced out and starts walking randomly. When they start thinking again they usually realize they have no idea where they are or how they got there. It is similar to sleep walking, but it is when you are awake.
Space walker - "Holy crap where am I? Shit, I must have been space walking again."
by Ray Vinmad May 19, 2010
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