talk shop

talk shop idiom
Converse about one's business or profession, as in Whenever John and his dad get together, they talk shop. [Mid-1800s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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