khui-kha-khò͘-á開跤褲仔

open-crotch pants

open-crotch pants (usually for toddlers)

English Wiktionary, “開跤褲仔” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%96%8B%E8%B7%A4%E8%A4%B2%E4%BB%94 · confidence: Medium (Wiktionary)