Mahlon Hector pleaded guilty to delivering a rare Mexican red-kneed tarantula in a box addressed to the colleague. While his coworker got that gift, he gave his resignation to his boss
I'm pretty sure this guy thought he was a genius.
I don't think (OK, I KNOW) I wouldn't go this far. But I can't say I haven't fantasized about the look on a coworker's face when they receive a box that contained the embodiment of my true feelings towards them. Though I think my boxes would have contained other more "mature" things—you know, like fart spray, snot, manure or fake vomit.