An acronym for ‘Concrete Head Man’, used to describe a man with a head that’s as solid as concrete. This is often discovered following a punch to said man’s head.
Pete: fucking ell, I won’t be punching him again, he’s a CHM!
Used to describe getting too and from the sessiiiioooon.
Only 5 things in life that old mates are doing at any one time : Shagging, drinking, ket, talking shop and boosting.