打飛碟 [－飞－]

Jyutping daa2 fei1 dip2
Pinyin dǎ fēi dié

Definitions (粵典–words.hk)
  1. 動詞、俚語、黃賭毒
    女性​自慰​、​手淫
    to masturbate (for females); literally "to hit UFO"
  2. 近義詞
    捽碟