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Jyutping daa2 ding1
Pinyin dǎ dīng

Definitions (粵典–words.hk)
  1. 動詞、潮語
    打飛機
    to masturbate
  2. 近義詞
    打J
Definitions (Wiktionary)
  1. verb, Hakka, of the bride's brother
    to take the bride on a sedan chair to send her off to the groom's house
  2. verb, Cantonese, Hong-Kong, slang
    to beat one's meat
    (syn.) 拍手銃, 打手槍, 尻手槍, 打J, 搓卵 dated, 自瀆, 自慰, 尻, 自淫, 洩手銃, 打丁, 打飛機, 耍㞗兒, 自撫, 敲手銃, 手淫, 擼管兒, 𢫦草屩, 擼鴨子, 打槍, 打手銃, 尻槍, J, DIY, 搵五姑娘, 捋銃
Examples (粵典–words.hk)
  1. Cantonese
    打丁
    打丁
    daa2 ding1
    • to masturbate
Examples (Wiktionary)
  1. Cantonese
    香港生死存亡,仲挂住打丁?
    香港生死存亡,仲挂住打丁?
    hoeng1 gong2 sang1 sei2 cyun4 mong4, zung6 gwaa3 zyu6 daa2 ding1?
    • Hong Kong is dealing with matters of life or death, and you're still thinking about beating your meat?