E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Dogget.
Doggets coat and badge. The first prize in the Thames rowing-match, given on the 1st of August every year. So called from Thomas Dogget, an actor of Drury Lane, who signalised the accession of George I. to the throne by giving a watermans coat and badge to the winner of the race. The Fishmongers Company add a guinea to the prize. The race is from the Swan at London Bridge to the Swan at Chelsea.