Stop the Line
Verb Phrase · Slang & Abbreviations
Definitions
To halt work, release, or throughput because continuing would be unsafe or irresponsible. In engineering slang, stopping the line means treating quality or safety issues as real blockers.
In plain English: To pause everything because a serious issue makes continuing unsafe.
Example: "They stopped the line when the migration checks disagreed, because pushing forward would have turned uncertainty into permanent customer impact."