After a man shaves his never-regions and leaves prickly stubble, his cock and balls temporarily resembles a skin coloured cactus, thus becoming a cocktus.
Hey Jenny, how did it go with Iain last night, did he give you a night to remember?
He sure did! I think he shaved his pubes a few days ago because it felt like he shoved a cactus up my vag! It’s was so fucking prickly, and now it’s sooo itchy down there...
Ohh dammmn Jenny! Iain stuck you with his cocktus, we all been there! Get some Sudocrem on that shit!
n. Flu-like symptoms in which the throat is inflamed usually because of residue semen caught in the sarcophagus. The term finds roots from "cock" a vulgar term for penis and "itis" a suffix usually added to illnesses with symptoms of inflammation.