Put a Pin In It
Verb Phrase · Slang & Abbreviations
Definitions
To pause a topic and come back to it later instead of resolving it immediately. In engineering slang, this can be healthy meeting discipline or a polite way of saying 'we never will.'
In plain English: To defer a topic for later discussion.
Example: "They put a pin in the broader framework debate so the incident call could stay focused on the one bug actually waking customers up."