Princess Taiping (c. 665-713), Tang Dynasty princess, politically powerful and known for her beauty
Definitions (粵典–words.hk)
名詞、俚語
已經過發育年齡而胸部平坦嘅女性,略帶貶義 a flat-chested woman (moderately derogatory); literally "Princess Taiping" or "Princess of Great Peace" in Tang Dynasty, where 太平 can also mean "too flat"
近義詞
長平公主、飛機場
Definitions (Wiktionary)
name
Princess Taiping (665-773), a princess of the Tang Dynasty