A "Fluid WashingMachine" is when you shit in someone's mouth, the person then throws it up and eats it again, then you add more body fluids to make it more sexual. ...gave... A fluid washingmachine
When performing the act of the "donkey punch" goes horribly wrong and the woman goes into seizures and shakes on your "member" like a washing machine would.
She told me it was her first time, but she gave me The twirly double mchurricane washing machine cartwheel pully wully oopsie woopsie superwoman into the next world succ