mad as a
(as) mad as a hatter
1. Crazy or deranged; particularly eccentric. My grandfather came back from the war as mad as a hatter because of all the horrible things he saw. I'll be mad as a hatter if I have to deal with these screaming toddlers for much longer. My family thinks I'm as mad as a hatter just because I practice a form of alternative medicine using magnetic fields.
2. Particularly cross or angry. Mom was mad as a hatter after I dented her brand-new car. John gets as mad as a hatter when he starts losing.
See also: hatter, mad
(as) mad as a March hare
1. Crazy or deranged; particularly eccentric. My grandfather came back from the war as mad as a March hare because of all the horrible things he saw. I'll be mad as a March hare if I have to deal with these screaming toddlers for much longer. My family thinks I'm as mad as a March hare just because I practice a form of alternative medicine using magnetic fields.
2. Particularly cross or angry. Mom was mad as a March hare after I dented her brand-new car. John gets as mad as a March hare when he starts losing.
See also: hare, mad, march
Farlex Dictionary of Idioms.
mad as a
hatter/March hare Crazy; mentally deranged.
See also: mad
American Heritage® Dictionary of the English Language, Fifth Edition.
- (as) mad as a hatter
- hatter
- mad as a hatter
- mad as a March hare
- (as) mad as a March hare
- hare
- be (as) mad as a hatter
- have a loose screw
- have a screw loose
- (stark) raving mad