1 definition by ghostjustin4 (youtube)
Climbing something with extreme skill. Acting like one of the main characters from Assassin's Creed. Climbing a wall like a ninja on steroids.
Dude, did you see that? That guy just Assassin's Creeded the empire state building in 5 minutes! That is SO AWSOME!!!!!!
by ghostjustin4 (youtube) March 6, 2011