1. a slip-up that (according to Sigmund Freud) results from the operation of unconscious wishes or conflicts and can reveal unconscious processes in normal healthy individuals;
WordNet (r) 3.0 (2006):
Freudian slip
n 1: a slip-up that (according to Sigmund Freud) results from
the operation of unconscious wishes or conflicts and can
reveal unconscious processes in normal healthy individuals