this means go away and leave me alone in belfast
to deal with in a violent manner, to strike percussively

Beat you up
Scratched by fingernails - e.g. "Her face was all scrawbed"

Beat you up
Wise up
I shall deal with you in a severe and violent manner young lady
see - "lose the head"
i am going to beat you up so bad you'll end up in the rvh