mac off
a Cockney way of saying 'don’t treat me like a tit.' Like, if someone says 'two bob bit,' they're telling you not to be a total twerp.
He said, 'two bob bit,' and I knew he wasn't going to take any nonsense.
She said, 'two bob bit,' and I knew I wasn't going to be messed around.
I told him, 'two bob bit,' and he shut up immediately.