ká-kún絞滾

to seethe

to seethe; to churn; to rumble (as of an upset stomach, etc.); to noisily play around (of children, young men, etc.)

English Wiktionary, “絞滾” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%B5%9E%E6%BB%BE · confidence: Medium (Wiktionary)