be on the bum

To not be working correctly or properly; to be out of order; broken. My car has been on the bum ever since I let my brother borrow it for the weekend. I think our washing machine is on the bum—these clothes are all sopping wet and don't smell clean!

Common Names:

Name	Pronounced	Usage
Karp	KAHRP	Russian
Silvie	-	Czech
Debora	-	Italian, German, Dutch
Olive	['ɔliv]
Serenity	sə-REN-i-tee	English (Modern)
Sitara	-	Urdu