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
LÚCio	-	Portuguese
Meltem	-	Turkish
Hirah	-	Biblical
Ermintrude	-	English (Archaic)
Zosimus	-	Ancient Greek (Latinized)
Hruodnand	-	Ancient Germanic