精蟲上腦 [－虫－脑]

Jyutping zing1 cung4 soeng5 nou5
Pinyin jīng chóng shàng nǎo

Definitions (粵典–words.hk)
  1. 形容詞、俚語
    睪​丸​嘅​分泌物​突然​不​受​控制​咁​湧​上​大腦​；​比喻​男人​因為性​衝動​而​失去​理智​，​除​咗​鹹​濕​嘢​之外​咩​都​諗​唔​到
    to think with one's pelvis
    • 男人精蟲上腦係聽唔明人話嘅。
      男人精虫上脑系听唔明人话嘅。
      Men can't hear when they are thinking with their pelvis.
  2. 近義詞
    慾火焚身、谷精上腦
Definitions (Wiktionary)
  1. phrase, idiomatic, of a man
    to lose the ability to think rationally when driven by sexual impulse
Examples (粵典–words.hk)
  1. Cantonese
    男人精虫上脑系听唔明人话嘅。
    男人精蟲上腦係聽唔明人話嘅。
    • Men can't hear when they are thinking with their pelvis.