WordNet (r) 3.0 (2006):

wedgie
    n 1: a shoe with a wedge heel

The Jargon File (version 4.4.7, 29 Dec 2003):

wedgie
 n.

    [Fairchild] A bug. Prob. related to wedged.


The Free On-line Dictionary of Computing (30 December 2018):

wedgie

   (Fairchild) A bug.  Probably related to wedged.