擺闊 [摆阔]

Jyutping baai2 fut3
Pinyin bǎi kuò

Definitions (CC-CEDICT)
  1. to parade one's wealth
  2. to be ostentatious and extravagant
Definitions (Wiktionary)
  1. verb, colloquial, intransitive, verb-object
    to flash one's cash; to show off one's wealth
    (syn.) 擺譜, 摆谱