IN TWIG
Handsome; stilish. The cove is togged in twig; the fellow is dressed in the fashion.

The 1811 Dictionary of the Vulgar Tongue.


TO TWIG
To observe. Twig the cull, he is peery; observe the fellow, he is watching us. Also to disengage, snap asunder, or break off. To twig the darbies; to knock off the irons.

The 1811 Dictionary of the Vulgar Tongue.