Rotgut

Rotgut is a particularly foul spirit made in stills in many places in the Empire. People drink rotgut for one reason only: to get stinking drunk. But distillation is a tricky process, and the results are often unpredictable. Poor rotgut has a 50% chance of permanently blinding the drinker.

Source
[[Category:R]]
 * Warhammer Fantasy RPG 2nd ED -- Old World Armoury
 * pg. 59