掌嘴

掌嘴	zhǎng zuǐ	to slap
掌	zhǎng	palm of the hand / sole of the foot / paw / horseshoe / to slap / to hold in one's hand / to wield
嘴	zuǐ	mouth / beak / nozzle / spout (of teapot etc) / CL:张,个