Methamphetamine is a central nervous system stimulant that is mainly used as a recreational drug. Meth or meths may also refer to: Chemicals and substances Meth-, a prefix for methyl group organic chemicals Methadone, a synthetic opioid Methanol, a simple alcohol with formula CH3OH Methylated spirit, ethanol that has additives to make it more poisonous or unpalatable People Meth, the stage name of Michalis Kouinelis (born 1979), Greek singer Keegan Meth (born 1988), Zimbabwean cricketer Method Man (born 1971), American hip-hop artist Crystal Methyd (born 1991), American drag queen Arts and entertainment Meth (album), 2011 album by rapper Z-Ro Meth (film), a 2006 documentary on drug abuse among gay men See also Math (disambiguation)