Meaning
An unexpected defect, error, or fault in a software program that causes it to behave unintentionally.
Three examples from work
Triage
QAI discovered a critical bug where discount codes fail to apply at checkout.
PMLet's log a high-priority bug ticket and assign it immediately.
Stand-up update
DevI spent the morning reproducing the Safari rendering bug.
LeadWere you able to find the root cause?
Release status
QA LeadWe have zero open blocker bugs, so the release candidate is approved.
PMExcellent, we will roll it out to ten percent of users today.
Collocations include 'reproduce a bug', 'fix a bug', 'file a bug report', and 'regression bug'.