Meaning
An in-depth, comprehensive analysis or dedicated discussion focused thoroughly on a single specific subject or problem.
Three examples from work
Technical session
LeadWe need a dedicated technical deep-dive on our database indexing strategy.
DevI'll pull query execution plans and benchmark data for the session.
Stand-up follow-up
Scrum MasterThis discussion is getting too detailed for stand-up; let's take a deep-dive offline.
DevAgreed, let's sync after the call with the backend team.
Business review
VPCan we schedule a deep-dive into our mobile customer churn numbers?
Data AnalystI'll prepare a breakdown segmented by operating system and region.
Can be a noun ('do a deep-dive') or verb ('deep-dive into the logs'). Use it during stand-ups to gracefully prevent long technical rabbit holes.