speed freak(redirected from speedfreak)
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A drug user who abuses or is addicted to an amphetamine, especially methamphetamine (also known as "speed"). This state is a thoroughfare for methamphetamine to the rest of the country, so it's little wonder that there are so many speed freaks here.
speed freakand speedhead
n. a drug user who injects methamphetamine; an amphetamine user. (Drugs and general slang.) Speed freaks, not heroin addicts, account for a high proportion of drug-related crime.