wetting down

Noun

US slang

(US, military, slang) A party held to celebrate promotion in the navy.

Japanese Meaning

海軍での昇進を祝うパーティー（昇進祝い）

After his promotion, Mark hosted a wetting down with his shipmates at the naval club.

昇進を受けて、マークは乗組員たちと海軍クラブで昇進祝いを開いた。

Sense（1）

(US, military, slang) A party held to celebrate promotion in the navy.