speedball
/ˈspiːdbɔːl/noun
1
- informal a mixture of cocaine with heroin〈非正式〉（由可卡因和海洛因混制的）强效兴奋剂。
2
- a small punchball used by boxers for practising quick punches（拳击手练习快速出击用的）拳击小吊球。
3
- mass noun US a ball game resembling soccer but in which the ball may be handled〈美〉速球运动。