A crease monkey will also tend to have poor hygiene and wear outdated clothing. They tend to be social introverts as they have no real friends to point out to them that they smell, their clothes are outdated and they have tons of creases behind their knees.
"Haha, probably. I don't think he's had it pressed since 1981 either, what a crease monkey."
"Total crease monkey. I bet he smells."
An all round player who kicks ass, and causes fear in his opponents.
When used in the plural it can also be used to describe a team.
"The crease-monkeys are cheered from the field by their adoring fans after yet another comprehensive victory"