n. a drug user who injects methamphetamine; an amphetamine user.
Hank is a speed freak, but he's not on skag.Speed freaks, not heroin addicts, account for a high proportion of drug-related crime.
speed freak
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 freak
and 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.