robo-call
n.— «As far as telemarketers go, ask them to remove you from their list, if they continue to call (or if its a robo-call) then (don’t know about availability in other states) start hitting *57 (call trace) which logs the number with the phone company as a harassing call.» —“Re: Question About CallerID” by Dean Ridgway Usenet: comp.society.privacy July 9, 1994. (source: Double-Tongued Dictionary)
Further reading
After misunderstanding the term tummy ache as tummy egg, a three-year-old has questions. This is part of a complete episode.
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