I. ˈspēd-ˌbȯl noun
Date: 1905
1. slang : a dose of cocaine mixed with heroin or morphine or an amphetamine and usually taken by injection
2. : a game which resembles soccer but in which a ball caught in the air may be passed with the hands and in which a score is made 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
II. intransitive verb
Date: 1970
slang : to take a speedball especially by injection