Speedball, powerball, or over and under is the polydrug mixture of a stimulant with a depressant, usually an opioid. The most well-known mixture used for recreational drug use is that of cocaine and heroin; however, methamphetamine mixed with morphine and/or fentanyl has also been used.
Speedball, powerball, or over and under is the polydrug mixture of a stimulant with a depressant, usually an opioid. The most well-known mixture used for recreational drug use is that of cocaine and heroin; however, methamphetamine mixed with morphine and/or fentanyl has also been used.
Source: Wikipedia "Speedball (drug)" · CC BY-SA 4.0
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