Munt

Meaning useless, damaged or lazy. When someone is a Munt, they are useless at jobs and minor tasks that are in everyday life. When you are to Munt something, you would have destroyed it.

Eg 1.

Andrew: “My co-worker at the cleaning company doesn’t even clean the mop bucket out when he uses it, nor does he clean the toilets properly! He is a munt!”
Eg 2.
Belinda “Now be careful with my favourite doll! Don’t munt it!”