Refered to as a martial art but, is actual the phonetics of chambering a pistol and firing it.
1) I know kung fu!!!
2) Yeah? Well I know "Ching Ching Pow"!
1) What the fuck?
2) Yeah bitch, (with hand motioning) "Ching" (pulling slide back) "Ching" (slide going forward with round) "POW!!!" (gun firing)