Verb. When using a subway system, to prewalk is to use the time while waiting for a train to walk to the spot on the platform where you will board the train so that when you get off the train at another station, you will be at a desired location on the platform, e.g. stairs, turnstile, or corridor to another train.
Noun. The walk required to get to a desired spot on a subway platform as described above.
coming into a relationship or marriage being completely controlled by your girlfriend or boyfriend as you enter the relationship; in most cases a guy being completely controlled by his girlfriend prior to entering a deeper relationship with that individual