Code Earthquake
Noun · Slang & Abbreviations
Definitions
A large disruptive change that shakes many parts of a codebase at once. In engineering slang, a code earthquake may be necessary, but everyone worries about what hidden cracks it will reveal afterward.
In plain English: A major code change with widespread disruptive effects.
Example: "Switching the identity model caused a code earthquake across permissions, audit logs, billing, and every service that had quietly embedded user assumptions."