"The shock consequent upon the deed sobered the half crazy woman," continued the speaker.
She was a prey to nervous attacks that drove her half crazy.
You had just seen Patty, and had heard all, and I know that you must have been half crazy with it.
I guess I was half crazy when I thought I had been spied out.
"I used to be half crazy to own fast horses," he shouted to his son-in-law.
"People are half crazy, but I don't wonder at it," said Pierre.
To hang a half crazy old woman for burning a mill was another, and the natural consequence of the first.
Captain Joe is half crazy about it, and poor Caleb is heartbroken.
I could hear her talking and see the way she was doing things till it drove me half crazy.
The Johnnies seemed so mad over what we'd done that they were half crazy.
1570s, "diseased, sickly," from craze + -y (2). Meaning "full of cracks or flaws" is from 1580s; that of "of unsound mind, or behaving as so" is from 1610s. Jazz slang sense "cool, exciting" attested by 1927. To drive (someone) crazy is attested by 1873. Phrase crazy like a fox recorded from 1935. Crazy Horse, Teton Lakhota (Siouan) war leader (d.1877) translates thašuka witko, literally "his horse is crazy."
Excellent; splendid; cool: If you like a guy or gal, they're cool. If they are real fat, real crazy, naturally they're real cool (1940s+ Jazz musicians)
An insane or eccentric person; loony: We're going to prevent the right-wing crazies from bombing and destroying (1867+)