ioh-chí臆子

to play a drinking game where one has to guess

to play a drinking game where one has to guess the number of small objects in the other player's closed hand

English Wiktionary, “臆子” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E8%87%86%E5%AD%90 · confidence: Medium (Wiktionary)