lián-khap-chhiò撚匼笑

to rotate a coin to determine who wins or loses

to rotate a coin to determine who wins or loses from it being heads or tails (as a method for gambling)

English Wiktionary, “撚匼笑” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%92%9A%E5%8C%BC%E7%AC%91 · confidence: Medium (Wiktionary)