Reality Check
Noun · Slang & Abbreviations
Definitions
A moment, fact, or conversation that forces plans back into alignment with actual conditions. In engineering slang, reality checks are what stop elegant slides from becoming expensive self-deception.
In plain English: A correction that forces plans or beliefs back in line with reality.
Example: "The profiler provided the reality check the team needed, showing the network path was the real bottleneck while everyone argued about local serialization."