1."monkey steals the peach" (martial arts), distracting an opponent with one hand and seizing his testicles with the other2.(coll.) grabbing sb by the balls
Oath of the Peach Garden, sworn by Liu Bei 刘备[liú bèi], Zhang Fei 张飞[zhāng fēi] and Guan Yu 关羽[guān yǔ] at the start of the Romance of Three Kingdoms 三国演义[sān guó yǎn yì]