wind your neck in
1. someone getting very cocky and needing to be told to calm down.
2. a fat cunt with a massive neck needing telling that his neck's fucking massive
1 - "Paddy youve been mouthing off all fucking day, so you best wind your neck in before i smash your face through the back of your bastard head"
2 - "Paddy you fat cunt, lose some fucking weight and get your neck wound in"