Answer:
The Greasers like to dress like they are tough and show off their muscles. They use more grease in their hair and they think the Socs are "posh" or uppity. They want to be able to intimidate the goody two shoes boys by using their brawn - muscles and strength to win.
Explanation:
The work each other up to the fight verbally by talking about how they beat up people and rob gas stations. They make themselves sound a lot worse than they really are. The Socs view them as poor kids and outcasts in society. Ponyboy even states that he believes the Greasers look hoody, but that the Socs always look decent. This is making a point to show different ways that people literally view the Socs and the Greasers.
