How to describe CrashLoopBackOff in a way people understand: crashloopbackoff.dev
The brain child of Vallery Lancey and Chris Short
You may find your pod reporting a status of
CrashLoopBackOff, another incredibly common error state...This explicitly means that one of the containers in the pod has exited unexpectedly, and perhaps with a non-zero error code.
Source: Kubernetes for Developers