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.

Common Names:

Name	Pronounced	Usage
Mimmi	MEEM-mee	Swedish, Finnish
Hernando	er-NAHN-do	Spanish
Odysseus	o-DIS-ee-əs (English)	Greek Mythology
FrÓ&Eth;I	-	Ancient Scandinavian
Aminah (1)	-	Arabic, Malay, Indonesian
Ayris	['ɛəris]