The phrase "a lunatic for" is correct and usable in written English.
It can be used to express a strong enthusiasm or obsession for something, often in a humorous or exaggerated way.
Example: "She is a lunatic for vintage fashion, always hunting for the rarest pieces at thrift stores."
Alternatives: "crazy about" or "mad for".
Vic sings Footloose while dancing like a lunatic, for his own amusement.
Dudman's first novel re-creates the life of the German scientist Alfred Wegener, who was derided as a lunatic for his theory of continental drift.
Gertrude is in love with Thomas, the turner's son, but it's uncertain whether her beauty and her share of our flock are enough inducement for any suitor to take on a lunatic for a sister-in-law.
"If Genmar were public, the market would have called me a lunatic for investing this kind of money," says Jacobs.
My colleagues in the corporate search field think I'm a lunatic for doing search work for lower paying jobs in ministry.
The British singer was treated like a lunatic for saying climate change may be partly to blame for the country's civil war.
Call this the Robert Pape theory, after the University of Chicago professor famous for arguing that suicide bombing is best understood as a rational strategy for nationalists seeking political liberation rather than a lunatic strategy for religious fanatics seeking martyrdom.
But then there was a crisply done parody of a TV news program, with the President once again featured ("President Ford has just asked for the resignation of his son Jack"), concluding with a lunatic "News for the Hard of Hearing," which consisted of a newsman yelling items of news very loud.
She was interned in a lunatic asylum for giving coal to children in the streets.
Instead of exploring that, though, the film's parody gives way to a suspense plot when the roommates are taken hostage by a lunatic rejected for the series.
This could be dismissed as the ravings of a lunatic, except for one thing: Elijah has a Web following and a theory that plays directly into the eschatological fantasies of evangelical Christians and mystically oriented Jewish nationalists.
