Who doesn't know the tupperware rule? Apparently, this guy didn't. The unspoken rule is that when someone bakes you cookies and lends you their tupperware, you should at least give it a rinse before handing it back all dirty and gross. But apparently, if you're an entitled dude who demanded that his coworker bake him a specific type of cookie in the first place, you might not be the kind of guy to pick up on this rule.
This thread, which was posted to Reddit's r/AmITheA**hole subreddit, goes to show that when your coworker lacks even an ounce of self-awareness, don't reward their behavior with cookies. Then, you might be able to avoid this kind of wildly entitled behavior. That being said, this is totally the other guy's fault, and hopefully reading the savage comments below gave him the kind of wake-up call he needed. For more stories like this, check out this one about a cheating coworker.
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