Cf. tuck-shop = a pastrycook’s.
The term is also used as a generic for edibles and appetite.
twig
»Too terribly true. She’d twig it.» (They And I. 258. 4.)
A schoolgirl.
»It being a foggy night, nobody twigged me.» (Tommy And Co. 42. 21.)
A London brat.
Schoolboy slang for notice.
Cf. »Glad you are not twigged, gen’lemen.» (F. W. Farrar, Eric or Little By Little. III.)