/speed"bawl'/ , n.
1. a game similar to soccer with the chief difference that a player catching the ball on the fly can pass it with the hands.
2. Slang. any combination of a stimulant and a depressant taken together, esp. a mixture of heroin and cocaine or heroin and methamphetamine injected into the bloodstream.
v.i.
3. Slang. to take a speedball, esp. by injection.
[ 1940-45; SPEED + BALL 1 ]