老老竇竇 [－－窦窦]

Jyutping lou5 lou5 dau6 dau6
Pinyin lǎo lao dòu dòu

Definitions (粵典–words.hk)
  1. 語句、潮語
    「​老老​實實​」​嘅​搞笑​講法
    humorous variant of 老老實實lou5 lou5 sat6 sat6
  2. 參看
    老老豆豆
Definitions (Wiktionary)
  1. adv, Cantonese, humorous
    Synonym of 老老實實／老老实实 (lǎolǎoshíshí, “truthfully; honestly”).
    (syn.) 老老實實, 老老实实