a way of telling someone to go away or "clear off"
To eat the head off someone is to shout at them aggressively

bent on causing trouble.


example - "he has an ill set mind"

to lose the head is to lose control in anger


"mate! will you just back of before I lose the head!"
see - "lose the head"

You are quite un-attractive
What you say does not make very much sense

A Troublemarker


e.g. - "he's a bad egg that one!"

To Fight/Assault


e.g. "He belted him round the neck!"