1962, Amer.Eng., possibly from Yiddish glitsh "a slip," from glitshn "to slip," from Ger. glitschen, and related gleiten "to glide." Perhaps directly from Ger.; it began as technical jargon in the argot of electronic hardware engineers, popularized and given a broader meaning by U.S. space program.
An operating defect; malfunction; a disabling minor problem: despite such ''glitches'' (a spaceman's word for irritating disturbances)/ Most had assured themselves that the trouble signal was only a ''glitch''(1962+ Aerospace)
A sudden interruption of electrical supply, program function, etc: The term ''bug'' to refer to a computer glitch(1980s+ Computer)
[fr German glitschen (or Yiddish glitshen), ''slip'']
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D. Copyright (C) 2007 by HarperCollins Publishers. Cite This Source