make a dog's dinner (of something)

To make a mess of or completely ruin something. I thought I could trust Jim to finish the business proposal, but he made a dog's dinner of the whole thing!

Common Names:

Name	Pronounced	Usage
Wojciech	VOI-chekh	Polish
Eyal	-	Hebrew
Aleksander	ahl-ek-SAHN-der (Polish)	Polish, Slovene, Albanian, Estonian, Norwegian, Danish
Asli	-	Turkish
CemİLe	-	Turkish
Kshitij	-	Indian, Hindi, Marathi