walk in

Verb

 * 1) To come without an appointment to a place that would normally require one.
 * If you walk in, you're going to have to wait at least an hour.
 * 1)  To step to the rack again with after having stepped away in order not to hit it during execution of the exercise.
 * 1)  To step to the rack again with after having stepped away in order not to hit it during execution of the exercise.