Ira Furor Brevis Est
Defined in 3 dictionaries — Cyclopedic (1922), Ballentine's (1916), Black's (1910)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
Anger is a short insanity. 4 Wend. (N. Y.) 336, 355. IRA MOTUS (Lat.) Moved or excited by anger or passion. A term sometimes formerly used in the plea of son assault demesne. 1 Tidd, Prac, 645.
Ballentine's Law Dictionary
James A. Ballentine · 1916
Anger is brief insanity. See 4 Wend. (N. Y.) 330.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Anger is a short insanity. Beardsley v. Maynard, 4 Wend. (N. Y.) 336, 355.