1. A group of five friends who all have a J in their name.
2. The unification of J squared and J cubed.
3. verb. Shouted after something incredible has happened usually accompanied with hand motions that show off the arm muscles.
Lucas "It was incredible how the street sharks win the championship?"
Josh "They had the most amazing goalie"
Joey "Don't forget about the incredible offense or the defense"
Brett "Ahhhhh... J TO THE FIFTH!"
Will "You said it brother"