撓癢癢 [挠痒痒]

Jyutping naau4 joeng5 joeng5
Pinyin náo yǎng yang

Definitions (CC-CEDICT)
  1. to tickle
Definitions (Wiktionary)
  1. verb, colloquial
    to tickle
  2. verb, colloquial
    to scratch an itch