Code Blocker
Noun · Slang & Abbreviations
Definitions
Anything that prevents meaningful coding progress, such as missing access, unclear requirements, broken environments, or waiting on another team. In everyday engineering slang, a code blocker is the practical reason a task is not moving.
In plain English: Something that blocks a developer from making progress.
Example: "The biggest code blocker was not the implementation difficulty, it was waiting for the vendor sandbox to stop returning malformed auth tokens."