black anaconda

adj. a long, darkly colored fecal projectile of a humanly impossibly size that exits the anus after a good, fibrous meal. Usually in a swirl like fashion, similar to that of soft-serve ice cream.

Vanessa returned from the toilet, wearing a bleak look on her face while rubbing her stomach. David looks at her and asks, "What's wrong?" Vanessa replies, "I think something's wrong with me. I just took the biggest, nastiest, smelliest shit in my life and I swear... it was a Black Anaconda!" David then replies with a grim look on his face, "...That's not good."