The act of shitting into a female’s vagina(or ass) and then proceeding to insert a phallic object. This phrase utilizes the slang “pipe” which typically means “to fuck”.
Johnny: Damn, it smells like a fucking farmhouse in here. What did you two do last night.”
Roger: Yo, we hit the sewage pipe on the bed, didn’t get it all out. My bad, but it was worth it.
Roger: Yo, we hit the sewage pipe on the bed, didn’t get it all out. My bad, but it was worth it.
by Sanitation Engineer July 19, 2021
The Galwegian Sewage Pipe is the act of sounding a funnel and the getting a male/female with diarrhoea to shit in the funnel, filling your urinary tract with shit.