girls-only drinking party
A casual drinking gathering exclusively for women, often among friends or colleagues. The term is informal and commonly used in social contexts.
Tonight is a girls-only drinking party, so guys can't join.
We complained about work at the girls-only drinking party.
Compound of 女子 (woman, girl) and 飲み (drinking, from 飲む). The term likely emerged in modern casual speech to describe women-only drinking events.