pot someone up
v. phr.— «With the system Bill has engineered, we can hear every word Sid says for four-and-a-half hours, but the listeners can only hear what he’s saying when we choose to “pot him up,” as they say in the radio business.» —“He’s hanging up his microphone” by Rick Armstrong Beacon News (Aurora, Illinois) July 23, 2006. (source: Double-Tongued Dictionary)
Further reading
In 1971, when a new public library opened in Troy, Michigan, famous authors and artists were invited to write letters to the city’s youngest readers, extolling the many benefits of libraries. One of the loveliest was from E.B. White, author of...
After our chat about tongue twisters, a Chicago, Illinois, listener shares one that looks much easier than it sounds: Irish wristwatch. This is part of a complete episode.
Related
From “potentiometer,” known as a “pot,” which is a type of gradual electronic resistor used on sound boards to control volume.