Playback Payback

"I had been seeing this guy for a while when we decided to make our relationship exclusive. I thought it was going well until I found out that he was seeing someone else on the side. Soon after, a mutual friend told me he wasn't having an affair with just one woman; he was fooling around with three! I called him to break up, but when I got his voice mail, I thought of a much better idea. He had given me his password, so I logged in to his voice mail and recorded a new outgoing message. I explained what a jerk and a cheater he was. And then, to add fuel to the fire, I changed his password so he couldn't rerecord the message." —Stephanie, 24

Backstabbing Bud

"My friend has a reputation for being a flirt. I never believed the rumors until she came to visit me and my live-in boyfriend. After she left, my guy told that's he'd come on to him a few times. He didn't think much of it, but one night, when I was working, she apparently tried to get him to meet her at a hotel! I wanted everyone to know what a bitch she was, so I set up a MySpace account in her name, and under 'About Me' I wrote 'I'm a lying man stealer. Friends' boyfriends are NOT off-limits.' Then I sent out 200 'add friend' requests to buddies and random people in her town." —Shaniqua, 31

Sticky-Finger Foe

"There had been a lot of theft at the store where I work. All of us had taken small items on occasion, and it was an unwritten rule that we wouldn't rat each other out. But the day I heard that a coworker was secretly seeing my ex, I broke our code of silence. I talked her into taking some pricey items. When she was about to leave at the end of her shift, I called the boss's office and told him something fishy was going on. He went upstairs, caught her, and assumed she was responsible for all the stolen products. She was fired on the spot" —Gina, 20

Desperate Housemate

"My roommate can be really mean, and one day, her bad attitude got on my last nerve. So when a guy she had been lusting over — who had recently become single — stopped by, I hatched a plan to get even. She let him in, then went upstairs to primp. I decided to introduce myself and told him to be careful because my roomie had a revolving door to her bedroom and is on quite a few meds for STDs. That was the last time he came over, and she couldn't figure out what happened." —Jojo, 22

Mum's the Word

"My best friend and I are very competitive with each other, especially when it comes to guys. One night, we went out, and she wore a revealing outfit. The men sitting next to us were ogling her and not paying any attention to me. When she went to the bathroom, I turned to the guys and told them that she dressed like that because pretty soon, her pregnancy would start to show, and her body would never be the same. They ignored her for the rest of the evening, and she couldn't figure out why." —Lori, 30

Trash 'n' Burn

"My guy and I had been together for five months when my friends saw him with another girl. I confronted him the next day, and he apologized. I forgave him, but a week later, my friends and I were driving around and saw his car parked at the same girl's house. His car has keypad entry, and I knew the code to get in. So I opened the car and used permanent marker to scribble some choice words and pictures all over the upholstery. Before leaving, I put a note on the dashboard that read, 'Sorry about your car, but I bet you're sorrier for cheating'" —Stella, 27

Iced Out

"Every month on our anniversary, my guy had this tradition of giving me jewelry. We'd been together for almost a year, so I had a tons of necklaces, earrings, and bracelets. Right before our one-year anniversary, I found out that he was cheating on me with a girl from his college. I was pissed, but I kept quiet until he gave me a diamond pendant. The next day, I sold all the jewelry to a pawnshop for a lot of cash — enough to buy an entire new wardrobe — and told him I hoped his new girlfriend was worth every penny." —Olivia, 22

Web of Deceit

"A girl I used to work with was a complete slacker, and she spent most of the day on MySpace. After a particularly stressful week, I was totally fed up. To get back at her, I created a MySpace page under her name and uploaded photos of her and other co-workers from our company retreat, adding inappropriate captions. Then I sent messages from the account to the whole office, including our boss. The next week, everyone was talking about her, and our boss sent out an e-mail prohibiting the use of 'personal Websites' at work because they could cause the company serious embarrassment." —Joy, 25

Squeal and Steal

"When my friend Jill started dating a guy I liked, I was jealous. But they seemed to make a good couple, so I tried to be happy for her. Then I found out Jill was being unfaithful. Each time she told me about one of her flings, I'd think that her boyfriend deserved someone better — like me. Finally, I called and gave him a list of guys with whom Jill had cheated. He dumped her, and we started dating. Jill still doesn't know how he found out." —Dani, 20

What's the best way you've gotten revenge on someone? Tell us in the comments below.

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