一個骨 [－个－]

Jyutping jat1 go3 gwat1
Pinyin yī ge gǔ

Definitions (CC-CANTO)
  1. 15 minutes; quarter-hour; literal meaning: a piece of bone; Cantonese slang, derived from the English word 'quarter', the pronunciation of 'quart' sounds similar to the Cantonese pronunciation of '骨' (gwat1)
Examples (Wiktionary)
  1. Cantonese
    三点一个骨
    三點一個骨
    saam1 dim2 jat1 go3 gwat1
    • quarter past three