Meaning ofspeedballin English

Noun

1. a mixture of heroin and cocaine; illicit drug
   The dealer was caught selling speedball to underage kids.
2. coffee with espresso; energizing drink
   Some cafes serve speedball as a morning pick-me-up drink.
3. a type of fastball; swift pitch
   The pitcher threw a speedball to strike out the batter.
4. a competitive paintball variant; equal playing field
   The paintball arena offered a speedball game mode with obstacles.