Dozy c**t near dalston junction

Never happened to me. Fucking outrageous.

Next time it happens go to the back of his cab and take down his PCO number - that's the number on the white plate, not the registration number.

Then make a formal complaint to the PCO (Public Carriage Office: https://www.tfl.gov.uk/tfl/contact/pco/default.aspx). If you don't come over like a self-righteous cyclist, they will take a complaint very seriously, and cabbies have been known to be disciplined (fined whatever) for unsocial behaviour.

Do it. And if you can get a witness, more's the better.

We've been over this before. The PCO do jack shit in response to complaints from cyclists and other road users. They will only respond to complaints from passengers of cabs.