波濤洶湧 [－涛汹涌]

Jyutping bo1 tou4 hung1 jung2
Pinyin bō táo xiōng yǒng

Definitions (Wiktionary)
  1. phrase, idiomatic, informal, of a woman
    having huge breasts (in this sense, 洶／汹 (xiōng) is a pun for 胸 (xiōng, “breast”), and 波 (bō) also refers to breasts)
  2. phrase, idiomatic, of waves
    turbulent

波濤洶湧 [－涛汹涌]

Jyutping bo1 tou4 hung1 jung2
Pinyin bō tāo xiōng yǒng

Definitions (CC-CEDICT)
  1. waves surging forth
  2. roaring sea
Definitions (CC-CANTO)
  1. stormy waves [written and colloquial]; large breasts [colloquial]
Definitions (粵典–words.hk)
  1. 語句
    形容​波浪​又​大​又​急
    (of waves) roaring and surging turbulently
    • 颱風迫近，海面上波濤洶湧。
      台风迫近，海面上波涛汹涌。
      toi4 fung1 bik1 gan6, hoi2 min6 soeng6 bo1 tou4 hung1 jung2.
      As the typhoon approaches, the waves become wild and turbulent.
  2. 語句
    形容​女人​胸大​（​因為​胸​喺​粵​語​又​叫​波​）
    used to describe a woman with large breasts (since the word 波bo1 is euphemism for 胸hung1 "breast" in Cantonese)
  3. 反義詞
    波平如鏡
Definitions (Wiktionary)
  1. phrase, idiomatic, informal, of a woman
    having huge breasts (in this sense, 洶／汹 (xiōng) is a pun for 胸 (xiōng, “breast”), and 波 (bō) also refers to breasts)
  2. phrase, idiomatic, of waves
    turbulent
Examples (粵典–words.hk)
  1. Cantonese
    波涛汹涌
    波濤洶湧
    bo1 tou4 hung1 jung2
    • turbulent waves
  2. Cantonese
    台风迫近，海面上波涛汹涌。
    颱風迫近，海面上波濤洶湧。
    toi4 fung1 bik1 gan6, hoi2 min6 soeng6 bo1 tou4 hung1 jung2.
    • As the typhoon approaches, the waves become wild and turbulent.
Examples (Wiktionary)
  1. Mandarin
    海面波涛汹涌，近半数旅客晕船。
    海面波濤洶湧，近半數旅客暈船。
    hǎi miàn bō tāo xiōng yǒng ， jìn bàn shù lǚ kè yùn chuán ．
    • The sea was rough and nearly half of the passengers were seasick.