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Noun: speedball  'speed,bol
Usage: informal
  1. A mix of heroin and cocaine
    "The rock star's death was attributed to an overdose of speedball"
     
  2. Coffee with espresso
    "He ordered a speedball to stay awake during his late-night study session"

Derived forms: speedballs

Type of: coffee, java [N. Amer, informal], joe [N. Amer, informal]

Encyclopedia: Speedball