Disgruntled neighbours are righting wrongs with passive-aggressive notes complaining about loud sex, defecating dogs, wifi and loud music. Here are 22 of the best.

1. ‘Your Bass Speakers Are Amazing’

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2. Elevator grievance.

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3. ‘To The People That Kept Us Up All Night’

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4. Rowing over Wifi.

[via @westendproducer]

5. Dog poop dispute

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6. ‘Here’s a recording of you having sex’

7. Spotted in Edinburgh

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8. Bowling elephants

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9. Finish Her!

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10. Your picture here

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11. Christmas Music complaint

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12. A Friendly Haiku

13. Stealing Plants

14. Exocism

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15. We do not like flute

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16. No need to call the cops again

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17. Old Lady!

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18. I hope You drown.

19. Do Not trust the big cat

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20. There is no lock

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21. Smoking cat

22. ‘I don’t piss in your mouth for hours on end so please stop shitting in my ears’

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