擉掌頭仔 [－－头－]

Jyutping duk1 zoeng2 tau4 zai2
Pinyin chuò zhǎng tóu zǎi

Definitions (Wiktionary)
  1. verb, Min-Nan
    to snap one's fingers
    (syn.) 打榧子, 打响指, 擉手, 打響指