The Jargon File (version 4.4.7, 29 Dec 2003):
Compu$erve n. See CI$. Synonyms CompuSpend and Compu$pend are also reported.The Free On-line Dictionary of Computing (30 December 2018):
Compu$erve (Or "CompuSpend", "Compu$pend") A pejorative name for CompuServe Information Service (CI$) drawing attention to perceived high charges. [Jargon File] (1994-11-08)