What's in Sherlock

As Homo And Whatsun relax in their bachelor pad, Whatsun can't help wondering what Sherlock is up to, as he can feel a persistent pressure against his perineum. Being a man of medicine he can't help but wonder exactly what his genius companion is working on. It turns out Homo is working on Whatsun's hot ass, " Whats going on Sherlock" He exclaims to which the professor of perversion replies brandishing a wet citrus fruit "lemon entry my dear Whatsun!!"