憑憑 [凭凭]

Jyutping pang4 pang4
Pinyin píng píng

Definitions (Wiktionary)
  1. noun, Sichuanese
    back of a chair; backrest
    (syn.) 椅䖙, 交椅䖙, 靠背
Examples (粵典–words.hk)
  1. Cantonese
    佢好似条蛇咁，冇腰骨嘅，成日挨挨凭凭！
    佢好似條蛇咁，冇腰骨嘅，成日挨挨憑憑！
    keoi5 hou2 ci5 tiu4 se4 gam2, mou5 jiu1 gwat1 ge3, seng4 jat6 aai1 aai1 bang6 bang6!
    • He's like a snake. He's got literally no backbone and he's always leaning on one thing or another.
  2. Cantonese
    挨挨凭凭
    挨挨憑憑
    • to describe a person who always leans on something when he stands