Meth
Speed is the street name for the Class B drug amphetamine sulphate. Sometimes speed is used to refer to other types of amphetamines. Speed is a stimulan.
amphetamine
Speed is the street name for Amphetamine, and Methamphetamine which are drugs.
stimulant
The new drug craze called Gack is simply another name that is being used for meth or speed. Crystal meth is often referred to as an escape drug and is very taxing on one's body.
A Druggie?
Well, speed is the street name of a type of drug, do you mean what other street names mean speed?
Drugs imported under a name which belongs to another drug; or if it is an imitation of, or a substitute for, another drug or resembles another drug in a manner likely to deceive or bears upon it or upon its label or container the name of another drug unless it is plainly and conspicuously marked so as to reveal its true character and its lack of identity with such other drug;
Mach.
A race
Goey is an Australian street name for speed (amphetamine).
Diamond dust is another name for meth.