The Free On-line Dictionary of Computing (19 January 2023):
psychedelicware /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover. [Jargon File]The Jargon File (version 4.4.7, 29 Dec 2003):
psychedelicware /si:`k@·del'·ik·weir/, n. [UK] Syn. display hack. See also smoking clover.