To discuss work, especially of a technical, jargon - filled nature.
At the party I met someone else who studies what I do and we spent the whole night talking shop and drove everyone else away.
talking about work outside of work
I met Jane from the office last night to catch up on the gossip but we ended up just talking shop
(n.) a place where discussion is all that happens, and nothing actually comes out of it. The origin is the League of Nations
, precursor to the United nations
. The League had no armed forces, and no decisions could be enforced.
The United Nations is becoming a talking shop.
Revealing preferences of a personal nature (sexual fetishes, for example) or other deep, dark secrets in conversation with a relative acquaintance.
I just met Bob the other day, but last night we were already talking shop.
To talk about sex: including ones experiences, partners, anatomy, ect.
"Dana and I were just sitting around talking shop for a few hours last night."