Held in West Smithfield (1133–1855) on St. Bartholomew's
A Bartholomew doll.
A tawdry, overdressed woman; like a flashy, bespangled doll offered
for sale at Bartholomew Fair.
A very fat person. At Bartholomew Fair one of the chief attractions
used to be a pig, roasted whole, and sold piping hot. Falstaff calls
“A little tidy Bartholomew boar-pig.”—2 Henry IV. ii. 4.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894