冇上冇下 [－－－－]

Jyutping mou5 soeng5 mou5 haa6
Pinyin mǎo shàng mǎo xià

Definitions (Wiktionary)
  1. phrase, Xiang, idiomatic
    to have no sense of who is senior and who is junior; to show no respect to elders
    (syn.) 冒大冒細, 無上無下, 不上不下, 沒大沒小, 無老無大, 十裡八搭, 嘸大小, 冇上冇下, 無大無細, 沒大小, 嘸大嘸小, 冇大冇小, 冇得大細, 無大無小, 冇大冇細, 沒老沒少