We've all had a bad break up or two, but ending a relationship had some truly startling consequences for the men behind these online confessions.

Men whose ex-girlfriends reacted very badly to being dumped have been spilling the beans on their quests for revenge and misguided attempts to win them back.

The anonymous claims were all posted in a thread the secret sharing site, Whisper.

One told how an ex girlfriend had slashed his car tyres with nails, while another said his former partner seduced his own father as revenge.

Scroll down for more eyebrow raising examples...

People from around the world shared their craziest encounters with an ex on social sharing site Whisper

One man revealed his ex had placed nails in his car tires leaving it unsafe to drive

One man claimed his ex slept with their father after they refused to give the relationship another chance

Another man claimed they were stalked on social media by their ex using a fake account

A weary individual revealed their ex had taken up a role at their workplace to make them miserable

Another man was tricked into an online relationship with their ex for 6 months after they pretended to be someone else

One person questioned if their ex was trying to make them jealous by sleeping with as many of their friends as possible

Another man was shocked to see their ex girlfriend had broken into their house while they were at work

One person claimed their ex girlfriend had hacked their Facebook account and accused them of harassment