Estuary English

The River Thames estuary in London, UK, is where the river water mixes with the sea water of the English Channel.

Estuary English is widely encountered throughout the south and south-east of England, particularly among the young. Many consider it to be a working-class accent, though it is by no means limited to the working class.Estuary English was now preferred for commercial purposes.

It means ford or passage as in crossing an estuary

It is the English Channel to the south and the Celtic sea (the Severn estuary) to the north