Green’s Dictionary of Slang

boobery n.

[boob n.2 (1)]

(US) foolishness; foolish individuals seen as a group.

B. Matthews Amer. Character 150: The plan is to get out the meat axe for everything the American boobery hold sacred.
[US]Eve. Statesman (Walla Walla, WA) 5 Mar. 3/3: As for the Stew, he is a Boob or a Lob who, in addition to his Boobery or Lobbery, adds the speciality of inebriety.
[US]Bridgeport Eve. Farmer (CT) 5 Jan. 11/5: A vast multitude of boobs whose chief boobery is to pay money to see ‘wrestling matches’.
Metropolitan 39:5-6 30: From his abode in the future Old Father Time was looking on during this solemn exhibition of boobery and he laughed four times.
[US]Ogden Standard Examiner (UT) 22 Dec. 12/6: His manager overhard his words, and [...] on a charge of boobery, had him indicted.
[US]T. Thursday ‘Hail the Professor’ in Top-Notch 1 Sept. 🌐 Boobs are born and wise boys are unmade — thanks to the boobery.
[US]J. Flaherty Chez Joey in Sheed (1974) 221: Another view of the new criticism [...] will prove only that boobery is in the eye of the beholder.