The act of lying on your back while someone hovers over you, spreading their cheeks as a drink is poured on their back. The liquid flows between the ass cheeks into your eager mouth.
Christoph wanted me to try his energy drink, so we Rocky Mountain River Trailed it!
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?