to leave; to depart from; as, to blow town.
To leave suddenly. Also, the person who does this. Used in reference to a Scientologist who leaves the Church of Scientology without following the specified procedures. The "routing out" procedures are designed to prevent a person from leaving, using guilt trips, financial and emotional threats, and a person's feelings of respect for their peers still in the Church of Scientology.
A colloquialism for a sudden departure. It is usually used to describe either the sudden dissipation of mass in the mind with an accompanying feeling of relief, or someone leaving, ceasing to be where he should really be, or just ceasing to be audited.