Source: The Great Interpretation of Dreams (Ibn Sirin)
Drinking urine in a dream indicates unlawful money or falling into doubt.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Drinking human urine indicates gaining suspicious money. Drinking animal urine indicates benefit.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Drinking urine is interpreted as unlawful money or worry.