(third-person singular simple present mungs, present participle munging, simple past and past participle munged)
- (computing) To make repeated changes to a file or data which individually may be reversible, yet which ultimately result in an unintentional irreversible destruction of large portions of the original data.
- (by extension) to destroy
Possibly from Mash Until No Good, or a self referencing acronym, Mung Until No Good. Rumored to have originated from one of the Massachusetts Institute of Technology computer groups in the 1970s or 1980s.