A 47-year-old man hit his girlfriend with a toilet brush while intoxicated.
The 26-year-old then hit the man with a toilet seat, the police said about the incident in Wittstock (Ostprignitz-Ruppin district) on Wednesday.
Both were slightly injured in the argument on Tuesday night.
Wittstock tests showed 1.86 per mille for men and 0.89 per mille for his girlfriend.
Police officers then expelled the 47-year-old from the apartment for ten days.
In addition, reports of dangerous bodily harm were recorded.
dpa