A very skinny or scrawny looking person of the male gender. They are easily
recognized by pencil -sized arms, sunken chest, and emaciated faces.
The definition works best with those who believe they are actually muscular, have a nice body. They are usually found accentuating their pathetic features by wearing muscle shirts,daisy dukes, athletic clothing, etc. The saying is derived from the width of a "scratch
in the wall"