Rot gut

Rot gut is a consumable item in Fallout 2 and Fallout Tactics.

Characteristics
Rot gut is a potent alcoholic beverage that decreases Perception by 2 immediately after consumption the increases it after 30 minutes. It carries a 20% chance of alcohol addiction.

Fallout 2
It can be found in Gecko, Cassidy's bar in Vault City and the bar in Broken Hills, as well as on the super mutant drunkard Elmo.