Acid Drinkers is a Polish thrash metal band, formed on September 1986 in Poznań, consisting back then of Tomasz Titus Pukacki (vocals, bass) and Robert Litza Friedrich (guitar, vocals). The band's style is thrash metal, with influence of heavy metal. Acid Drinkers is one of the most important bands in Polish thrash and heavy metal music. The line-up has changed a few times since then, Tomasz Pukacki has been a member since the beginning, Robert Friedrich left the band in 1998.