They say revenge is a dish best served cold, but in some cases it’s served room temperature and reeking of canned cat food. Office life is basically high school with ID badges and fluorescent lighting. Nothing gets people riled up like stolen lunches, loud chewers or the sacred workplace mug being swiped.
Forget HR complaints or passive-aggressive Post-its – one Redditor brewed the perfect cup of karmic justice. With a splash of sass, a sprinkle of stink, and one very bold strategy, he managed to teach an office mug thief a lesson he will never forget.
More info: Reddit
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One guy gets revenge on his mug-stealing coworker by smearing cat food on it, after repeatedly telling him not to use his personal mug
The man’s coworker constantly uses his mug, he despite being repeatedly asked not to take it
The man smears cat food on his mug and leaves it in the office kitchen, his coworker uses it and gets sick
The mug-thief is humiliated when coworkers start avoiding him because of the smell and he starts using paper cups after the incident
The OP (original poster) is just a regular employee, holding onto a small but cherished souvenir from his Hawaii trip: a bright blue mug, featuring a volcano design and his name lovingly branding it like a middle school lunchbox. It lived peacefully in the communal kitchen, until Mark came along.
Mark, the office mug bandit, is a man who, when politely asked to stop using someone else’s personal mug, responds with the corporate world’s most toxic catchphrase: “It’s just a mug.” Oh Mark, sweet, Mark. You don’t know what you’ve started. But rather than throwing hands or emailing HR, our OP played the game.
Over the weekend, he prepped the mug like it was part of a Food Network challenge, except instead of a garnish, it got a generous smear of canned cat food under the rim and sealed in a bag to marinate. Yumm. When Monday morning came, Mark fell for it.
By lunch time, the office smelled like something that crawled out of the dumpster behind a sushi restaurant. Coworkers were gagging and Mark looked like he was about to cry. He dumped the mug, left early, and has since downgraded to paper cups. The mug? Proudly perched on its rightful owner’s desk, with the scent of justice still lingering in the air.
Image generated by We using ChatGPT
To find out more about this story, We reached out to the poster for some comments. He told us that since the whole HR situation, his dynamic with Mark has been “legally distant.” They mostly exchange communication via email, and their in-person interactions are limited to occasional non-verbal acknowledgments near the office copier.
We asked the poster if Mark ever confronted him or mentioned the mug incident. The poster shared that instead of addressing it directly, Mark escalated things by going straight to HR. He even filed an official complaint, accusing the poster of something he dubbed “psychological mug warfare,” using a slideshow entitled “Mug justice?” to make his point.
We wanted to know if this was the first time Mark had taken something that wasn’t his. According to the poster, this was not his first offense. Apparently, HR had previous reports, including one where he allegedly took batteries from an emergency supply kit and justified it by saying they were part of his “bonus package.”
We asked the poster if anyone suspected he was behind the original mug thing. The poster shared that people had their suspicions, but HR wasn’t overly concerned. Ironically, Mark’s own presentation ended up pointing the finger at himself. At one point, he admitted to retaliating using “ketchup and symbolism,” which led HR to pause and ask him directly if he was confessing.
We wanted to know what the vibe is in the office now. The poster said it’s been surreal—in the best way. It feels like watching a live documentary of someone unraveling by their own bizarre choices. One coworker even labeled the office fridge with a “Free Mark” sign. No one’s sure what he needs freeing from, but it somehow fits.
“Someone started a whiteboard tally titled ‘Days Since Last Mug Incident’ that resets every time Mark says the word ‘injustice.’ Turns out you don’t need to outsmart your enemies if they’re committed to destroying themselves publicly and in high resolution,” the poster shared.
Moral of the story? If you don’t want your morning coffee with a side of stink and a splash of humiliation, next time you spot a cute mug in the office kitchen that clearly isn’t yours, remember this story, and sniff before you sip.
What do you think of this story? Did the poster cross a line by smearing cat food on his mug? Let us know in the comments below!
Netizens had a field day with this story, some saying the mug thief learned a lesson he will never forget
