talk shop
to talk about things that are related to your work, especially in a way that other people find boring

[TahlilGaran] Dictionary of Contemporary English ▲

talk shop
if people who work together talk shop, they talk about their work when they are not at work.
Even when they go out in the evening, they just talk shop all the time.

[TahlilGaran] English Idioms Dictionary ▲

talk shop
to talk about things related to one's work
Everybody at the company gathering decided that they would not talk shop during the dinner.

[TahlilGaran] English Idioms Dictionary ▲

talk shop
v. phr., informal To talk about things in your work or trade.
Two chemists were talking shop, and I hardly understood a word they said.

[TahlilGaran] English Idioms Dictionary ▲