The phrase "a sort of crazy" is correct and usable in written English.
It can be used to describe someone or something that exhibits unusual or eccentric behavior or characteristics.
Example: "Her ideas were a sort of crazy that made everyone think outside the box."
Alternatives: "a kind of madness" or "a type of eccentricity".
The artist might have made a sort of crazy quilt to emphasize the disconnectedness associated with modern life.
A huge, loosely woven curtain of iridescent threads, festooned with paintings and sculpture, by the many-talented German artist Kai Althoff, lately resident in New York, serves the show as a sort of crazy banner of eclectic inspiration.
He accurately painted McCain as a joke of an intellect on economic questions, and (again, subtly, but clearly) on foreign policy, he described a sort of crazy person whose experience has not given him superior judgment at all.
Only hours before, I had been explaining to British friends that most people in the UK just did not get the American attitude towards guns, with many regarding it as a sort of crazy aberration.
Joey is shown to be a bachelor and struggling actor, while Phoebe works as a masseuse and portrays a sort of "crazy" attribute to her personality based on her troubles as a child after her mother committed suicide.
A more mannered actress might, perhaps, have worked better, turning the whole enterprise into a sort of crazy-world cartoon.
"It's a sort of crazy-sensible," he wrote, putting his finger on the character of the place.
And after a week-and-a-half of bleating out all sorts of crazy nonsense, Mike Huckabee took a week off from attention-getting.
I have almost said nothing about the man himself and his sad end and the many foolish kind of … there's a sort of cruel and crazy streak in him from the very start, in a way.
The stronger kind, a sort of "medical-grade crazy glue," is very toxic, Karp said.
