How Disappearing Ink Taught a Pen Thief the Ultimate Lesson in Office Petty Revenge

Let’s face it: every office has at least one. The Serial Pen Thief. That coworker who, despite a perfectly functioning supply cabinet, seems to have a gravitational pull toward anything not nailed down—especially writing utensils. Most of us grumble and buy another pack, but one Redditor on r/PettyRevenge decided to fight back… with a little harmless science and a whole lot of style.
What happens when you swap your pilfered pens for ones filled with disappearing ink? Chaos, confusion, and the kind of sweet satisfaction that only true petty revenge can bring. If you’ve ever dreamed of getting back at the office supplies swiper, buckle up—this story is a masterclass in mischievous creativity.