A kong is a movement in Parkour, the art of movement, in which one runs towards an object, dives, and uses his arms to push himself past. To say "Let's kong this bitch" is like saying "let's blow this joint."
Guy: Man, this is lame.
Guy 2: Yeah man, let's kong this bitch.
Dude: This is bumshit. Let's kong this bitch.
Guy 2: Yeah man, let's kong this bitch.
Dude: This is bumshit. Let's kong this bitch.
by Setnochima April 17, 2007