How dairy she?!

A woman aboard a tram in Germany reportedly sprayed a ticket taker with fresh-from-the-source breast milk after the worker ordered her and a pal to get off at the next stop because they didn’t have tickets — and now she’s being investigated for assault.

The milky incident happened on a local tram line in the western city of Gelsenkirchen on Saturday, according to German news outlet Deutsche Welle.

Police said that when a ticket inspector requested the identification of the 31-year-old woman and her male companion, the woman “exposed her breast and sprayed the ticket controller with breast milk,” the report said.

The man traveling with the woman fled following the shocking boob job.

Responding police officers were forced to pin the woman down on the ground after she refused to provide identifying information, according to Deutsche Welle.

The woman was taken into custody and brought to the police station, where police initiated a criminal complaint for riding without a ticket and grievous bodily harm, the report said.

She was eventually released.