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Jyutping gong1 gaau1
Pinyin gāng jiāo

Definitions (CC-CEDICT)
  1. anal intercourse
Definitions (粵典–words.hk)
  1. 名詞
    牽涉​到​肛​門​嘅​性交
    anal intercourse
Definitions (Wiktionary)
  1. verb
    to have anal sex
    (syn.) 開後蓋, 10, 开后盖
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    我痴迷于肛交。
    我癡迷于肛交。
    wǒ chī mí yú gāng jiāo 。
    • I love anal sex.
  2. Mandarin
    跟我男友肛交后,我们一般需要把自己洗干净。
    跟我男友肛交後,我們一般需要把自己洗乾淨。
    gēn wǒ nán yǒu gāng jiāo hòu , wǒ men yī bān xū yào bǎ zì jǐ xǐ gān jìng 。
    • After having anal sex with my boyfriend, we usually need to have a good wash.
  3. Mandarin
    跟我女友肛交后,我们一般需要把自己洗干净。
    跟我女友肛交後,我們一般需要把自己洗乾淨。
    gēn wǒ nǚ yǒu gāng jiāo hòu , wǒ men yī bān xū yào bǎ zì jǐ xǐ gān jìng 。
    • After having anal sex with my girlfriend, we usually need to have a good wash.
Examples (Wiktionary)
  1. Mandarin
    肛交
    肛交
    gāng jiāo
    • to have anal sex