長尾巴 [长－－]

Jyutping zoeng2 mei5 baa1
Pinyin cháng wěi bā

Definitions (Wiktionary)
  1. noun, Sichuanese, Xiang, humorous
    to celebrate one's birthday (of a small child)
    (syn.) 長尾巴兒, 长尾巴儿