This was a good book, the third I've read in this world/setting, and this fun is much more fun!
Eftsoons (pg. 352) -- 1. Soon afterward; presently. 2. Once again.
From the O.P. to the Prompt Side (pg. 380) -- Stage directions. The Prompt Side (P.S.) is stage left, O.P. is Opposite Prompt.
Excrescence (pg. 382) -- 1. An outgrowth or enlargement, especially an abnormal one, such as a wart. 2. A usually unwanted or unnecessary accretion
Bally (many instances, pg. 396 for one) -- Informal intensifiers; "You bally idiot!"
The Carmantle (pg. 396) -- A ship. probably fictional.
Jimmy Mundy (pg. 431) -- Not the jazz musician, probably a fictional charactor.
Mens sana in corpore sano (pg. 470) -- Latin, a healthy mind in a healthy body
Ris de veau à la financière (pg. 496) -- Calf's sweetbreads in a sauce of wine, olives, truffles and mushrooms (from Blandings: Anatole.)
Consommé pâté d'Italie (pg. 497) -- Soup of italian pasta .
Paupiettes de sole à la princesse (pg. 497) -- Rolled fillets of sole garnished with asparagus tips.
Caneton Aylesbury à la broche (pg. 497) -- Aylesbury duckling on the spit.
Lady Bablockhythe (pg. 513) -- Fictional author created by Wodehouse, see the Wikipedia List Of Fictional Books.
Gaspers (pg. 520 ) -- Slang for cigarettes, OBVIOUSLY, probably a lesser brand.
'Mens sana in corpore sano,' observed the Prof.
'I shouln't wonder,' I said cordially. (pg. 470)
My daughter Bootles has just developed mumps. (pg. 483)
Young Bingo uttered a frightful cry of agony.
'What! Is that - that buzzard trying to pinch our cook?'
'Yes, sir.'
'After eating our bread and salt, dammit?'
'I fear, sir,' sighed Jeeves, 'that when it comes to a matter of cooks, ladies have but a rudimentary sense of morality.' (pg. 500)