閂門大吉 [闩门－－]

Jyutping saan1 mun4 daai6 gat1
Pinyin shuān mén dà jí

Definitions (Wiktionary)
  1. phrase, Cantonese, humorous, idiomatic
    to close down a business; to stop operations
    (syn.) 關門大吉, 关门大吉