名詞、舊式、黃賭毒
盛行於八十年代嘅色情場所，通常燈光昏暗，有一排排嘅高背包廂，顧客會響裏面對妓女（魚蛋妹）上下其手（唧魚蛋）。由於賣身嘅都係未夠秤嘅𡃁妹，所以通常都唔會做愛，得個摸字。（量詞：個） a "fishball stall", (in the past) a place which underaged prostitutes offer sexual services short of an actual intercourse
Definitions (Wiktionary)
noun
fishball stall
noun, Hong-Kong, dated
place where underaged prostitutes offer sexual services other than intercourse