Savage! Merciless tweets sum up how pissed-off people feel about their exes

Break-ups: Some end well, but others do not.

For unfortunate souls that find themselves in the latter category, their ex-boyfriends and girlfriends might be the one person they hate most in the world.

Acid Cow has featured a series of tweets showing pissed-off individuals describing their exes.

Their messages hilariously show how insults can be an art form.

Take a look at them in the gallery above.