stodgy
»I often feel sorry for you, having nobody but grown-up people to talk to.»—
»They do get a bit stodgy after a certain age,» agreed the Babe. (Tommy And Co. 164. 16.)
A young gentleman.
Stodgy, probably schoolboy slang, is something heavy, unappetizing, or difficult to digest, lying heavily on the stomach, literally or figuratively: e. g. ill-cooked potatoes, a man whose conversation is all facts and no wit, etc.
Cf. stodge: food, a heavy meal. stodger: a glutton.
tuck
»Waste not your substance upon tops and marbles, nor yet upon tuck (Do ye still call it »tuck»?).» (P. Kelver I. 111. 6.)
The author.
Schoolboy slang for pastry, sweetstuff, and the like.