(1) an informal expression for a sudden departure or to suddenly depart. It is usually used to describe either the sudden dissipation (vanishing) 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. (2) (slang) bungle and fail in. —AcademyLevel 0 Glossary Approved 3-12-90