Tap Out
Verb Phrase · Slang & Abbreviations
Definitions
To stop and hand over because you are out of time, energy, or useful context. In engineering slang, tapping out is often healthier than pretending to remain effective after the point of exhaustion.
In plain English: To stop because you have reached your limit and need someone else to take over.
Example: "The primary on-call tapped out after fourteen hours and handed the incident to the backup before fatigue turned into bad judgment."