Using a long, Seuss-like straw that connects from your mouth to your asshole to suck the "results" of rough anal sex from your anus. The compartmentalized layers or white (semen) pink (blood mixed with semen) and brown (poop) resembling the popular ice cream combination.
For some reason, every time I perform a Neapolitan Silly Straw I hear Benny Hill playing in my head. Do you also hear it, Christoph?