Crazy cunt
Australian slang used to describe someone who is impressive, fearsome or intimidating.

Can also be used to praise someone in an obviously exaggerated manner.
Jonno: Have you heard about old mate Jim? The cunt sat on these two kids cause they were calling him fat. Paralysed them both!
Danai: What a crazy cunt.

Brenden: Cuz I've accepted all the wrong I've done in the past and I've converted to Islam.
Danai: Fuck you're a crazy cunt bro.

Danai: What's doing?
Jenson: Nothing lad at home.
Danai: Crazy cunt.