1. to be skilled at something.
2. to preform something that requires skill.
3. used as a complement when skill is being shown or preformed.
2) Or when someone does something good.
3) In football, When you take it around someone or Skill them you shout SKILLAGE
Steve: Yeh, all you did was take the ball round me, dont be acting like your all hard.
Brandon: And? It was skill "Skillage".
So in actual Fact steve Got Pwned aswell :D