共赴巫山

gòngfùwūshān
  1. (literary, euphemistic) to have sex
  2. to have sex

Wiktionary

Entry Composition

1 共赴 gòngfù
  1. joint participation
  2. to go together
=2 巫山 Wū Shān Mt Wu on the Changjiang River (Yangtze) by the Three Gorges
=2 巫山 Wūshān see 巫山縣 Wūshān Xiàn