Definition
A derogatory slang term for a robot, AI system, or automated technology. It can be playful, but it is often used to express irritation or hostility toward machines and toward the replacement of human judgment, labor, or contact with automation.
The word carries social meaning, not technical information. A speaker may apply it to a physical robot, a chatbot, an automated phone system, or AI technology in general. Calling all of those systems clankers says something about the speaker's attitude while collapsing important differences in capability and design.
Where the usage came from
Clanker existed before the current AI boom. Merriam-Webster traces the robot sense through science fiction and its prominent use in Star Wars, where it became an insult for battle droids. The term later broadened from fictional and physical robots to software-based AI systems. Current AI discourse did not coin the word; it repurposed an older insult.
Distinguish it from nearby terms
Robot, chatbot, AI agent, and automated system describe different kinds of technology. Clanker does not resolve which one is present. It also should not be treated as a neutral synonym in technical writing, because the pejorative force is part of the term.
Check your understanding
A customer says, "Get this clanker off the support line." What can you safely infer? They reject the automated interaction. You still need to learn whether the failure was bad speech recognition, a rigid workflow, an incorrect model response, or simply the absence of a human option.