Major Breakage
Noun · Slang & Abbreviations
Definitions
A blunt label for serious damage to system behavior, reliability, or user experience. In engineering slang, major breakage is what people say before the postmortem has proper nouns and diagrams.
In plain English: Serious widespread technical damage or failure.
Example: "The release notes underplayed it, but internally everyone knew the schema mismatch had caused major breakage across billing, exports, and support tooling."