Karma is only a "bitch" when you've been bad and then karma comes for you. But when she comes for those who've done you wrong, then karma is more like a best friend who has your back. Someone asked Reddit "what is your best instant karma story?" and Reddit delivered.
Here are some of the best stories of people being served a dish of cold comeuppance from the universe. Because sometimes bad behavior doesn't go unpunished (and sometimes good behavior is rewarded or whatever, but let's focus on the bad stuff!).