What does fou beau mean?

"Fou Beau" is a French phrase that literally translates to "crazy handsome" or "beautifully insane." It is used to describe someone who is both physically attractive and mentally unstable or eccentric in a charming way. The term combines the words "fou," which means "crazy" or "mad," with "beau," which means "handsome." It's often used in a light-hearted or humorous manner to describe someone who may seem a bit unhinged but is also undeniably attractive.