夢洗 [梦－]

Jyutping mung6 sai2
Pinyin mèng xǐ

Definitions (Wiktionary)
  1. verb, Xiamen, Zhangzhou-Hokkien
    to have nocturnal emission; to have a wet dream
    (syn.) 洩精, 夢遺, 梦泄, 泄精, 夢洩, 梦遗