That's the dandy; i.e. the ton, the clever thing; an expression of similar import to "That's the barber."
See *barber.
·noun A dandy roller. ·see <<Below>>. II. Dandy ·noun A sloop or cutter with a jigger on which a lu...
Webster's Dictionary of the English Language
A sloop or cutter with a jigger-mast abaft, on which a mizen-lug-sail is set. ...
The Sailor's Word-Book
·noun ·f ·Alt. of Dandy-hen. ...
·noun ·f A bantam fowl. ...
·noun A child's play, one child guessing in which closed hand the other holds some small object, win...
An insignificant or trifling fellow. ...
Dictionary of The Vulgar Tongue by Francis Grose
·noun A little dandy; a little, foppish, impertinent fellow. ...
A dirty brown. His coat's dandy grey russet, the colour of the Devil's nutting bag. ...