Green’s Dictionary of Slang

physic v.

[SE physic, to give a dose of medicine]

to punish, either physically or through depriving of money.

[UK]Egan Life in London (1869) 309: If you do not get punished in your person, yet you may be most preciously physicked in your clie.
[UK]‘Jon Bee’ Dict. of the Turf, the Ring, the Chase, etc. 134: Physicking—winning a man’s blunt at cards, or other wagers, is ‘giving him a physicking’.
[UK]‘A Grand Turn-Out’ in Randy Songster in Spedding & Watt (eds) I 189: In the next round he was down on his luck, / While dirty Dick physic’d his napper so neatly.
[UK]C. Reade It Is Never Too Late to Mend II 3: What are you all humbugging there for, and why does not that young rascal turn out to work? I’ll physic him.