Client from Hell

Noun Phrase · Slang & Abbreviations

Definitions

  1. A dramatic phrase for a customer, partner, or consuming system that is unusually difficult to work with. In engineering slang, it can refer either to a human relationship or to a badly behaved client implementation that breaks every assumption.

    In plain English: A very difficult customer or badly behaved client system.

    Example: "The mobile integration was the client from hell because it retried aggressively, ignored cache headers, and kept sending malformed payloads during peak load."

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