Define Go Neck Yourself Meaning

Go Neck Yourself
Aussie slang for "Go fucking kill yourself, you faggot."

Guy #1 : I fucked yer mum yesterday, mate.
Guy #2 : Go neck yourself, that joke's bloody dead.
Guy #1 : Naah, you're just a wanker who cant take a joke!
Guy #2 Piss off.
By Tommy