knock something into a cocked hat

tv. to demolish a plan, a story, etc. You’ve knocked everything into a cocked hat.

Name	Pronounced	Usage
Hans	[hænz]
Monet	[mɔ:'nei]
Roslyn	RAHZ-lin	English
Demetrio	de-ME-tryo	Italian, Spanish
Elina	E-lee-nah (Finnish), e-LEE-nah (Swedish)	Finnish, Swedish
Liisu	LEE:-soo	Estonian