khí-khok-á齒觳仔

glass or mug for mouth-rinsing or tooth-cleaning

glass or mug for mouth-rinsing or tooth-cleaning; tooth glass or mug

English Wiktionary, “齒觳仔” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%BD%92%E8%A7%B3%E4%BB%94 · confidence: Medium (Wiktionary)