Definition of Meth

Noun: meth meth

An amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
- methamphetamine, methamphetamine hydrochloride, Methedrine, deoxyephedrine, chalk, chicken feed, crank, glass, ice, shabu, trash, crystal meth