Fatuum judicium
Defined in 2 dictionaries — Ballentine's (1916), Bouvier (1914)
Ballentine's Law Dictionary
James A. Ballentine · 1916
A silly judgment.
Bouvier's Law Dictionary and Concise Encyclopedia
John Bouvier; revised by Francis Rawle · 1914
A foolish judgment or verdict. As applied to the latter it is one rather false by reason of folly than criminally so as amounting to perjury. Bract f. 289.