[speed.ball] n (1909) 1 slang: a dose of cocaine mixed with heroin or morphine or an amphetamine and usu. taken by injection
2: a game which resembles soccer but in which a ball that is caught in the air may be passed with the hands and in which scoring is accomplished by kicking or heading the ball between the goalposts or by a successful forward pass over the goal line
3: one that is outstandingly fast
[2]speedball vi (1970) slang: to take a speedball esp. by injection