be as mad as a March hare

(redirected from is as mad as a March hare)

be as mad as a March hare

To be crazy. The phrase alludes to hares' erratic behavior during their breeding season. Mom was as mad as a March hare after I dented her brand-new car.
See also: hare, mad, march

be as mad as a March hare

  (old-fashioned)
to be crazy This woman was dancing in the road and singing very loudly - I thought she was mad as a March hare.
See also: hare, mad, march
Full browser ?