Now I know that un pot in Lyon means a carafe of wine.

It is a very specific size and a term only used in Lyon.
But apparently it also means work drinks – which took place tonight to welcome everyone back from their summer hols.

There were drinks and food and speeches and it was nice to chat to a few colleagues about their summer holidays before we all knuckle down to the hard work ahead.
Boire un pot, boire un coup = boire un verre.
un pot de départ (ou un pot d’arrivée) = apéritif/collation avec alcool (souvent) pour fêter le départ ou l’arrivée d’un salarié dans l’entreprise
Avoir du pot, avoir du bol = avoir de la chance
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