Easy!
He was a grey-haired person.
He was an obnoxious and essentially cowardly twerp.
He adopted the poses and postures of seemingly greater
influences.
He had NO manners, at all.
He was a lifeform effervescing with passive aggression (not
always passive) emanating from a very low self-perception.
His chosen dialect, when he wished to impress the herd, was an
affected lower class one (although he is, in fact, lower
class).