khó-ka̍p-ka̍p洘洽洽

very viscous

very viscous; very thick

ideophonic

English Wiktionary, “洘洽洽” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%B4%98%E6%B4%BD%E6%B4%BD · confidence: Medium (Wiktionary)