To brag or hector; also to tell an improbable story. To bully a man out of any thing. The kiddey bounced the swell of the blowen; the lad bullied the gentleman out of the girl.
–From the 1811 Dictionary of the Vulgar Tongue.
Nearly another language, isn’t it? 
An alehouse keeper.
–From the 1811 Dictionary of the Vulgar Tongue.
Drape that ale!
A noisy bullying fellow.
–From the 1811 Dictionary of the Vulgar Tongue.
To cheat. Let us bilk the rattling cove; let us cheat the hackney coachman of his fare. Cant. Bilking a coachman, a box-keeper, and a poor whore, were formerly, among men of the town, thought gallant actions.
–From the 1811 Dictionary of the Vulgar Tongue.
Gallant actions? Say what?
The tongue of a bell, and figuratively of a manor woman.
–From the 1811 Dictionary of the Vulgar Tongue.
Inconsiderate, thoughtless, easily imposed on.
–From the 1811 Dictionary of the Vulgar Tongue.
Appearing or causing to appear dazed, confounded, or nonplussed
To look blank; to appear disappointed or confounded.
Not really a Regency word, but I decided to include it since I found it in the Vulgar Tongue Dictionary and usually find it very humorous to use.
The man is in his altitudes, i.e. he is drunk.
–From the 1811 Dictionary of the Vulgar Tongue.
A lady’s waiting-maid.
A lady’s personal maid.
