麥霸 [麦－]

Jyutping mak6 baa3
Pinyin mài bà

Definitions (CC-CEDICT)
  1. mic hog
  2. person who monopolizes the mike at karaoke party (hegemon 霸 of the microphone 麥克風|麦克风)
Definitions (Wiktionary)
  1. noun, slang
    microphone hog