As mad as a March Hare
Also found in: Idioms, Encyclopedia.
Related to As mad as a March Hare: mad as a hatter
|an old English Saying derived from the fact that March is the rutting time of hares, when they are excitable and violent.|
See also: March
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.