showdown in Chinatown Share definition Flag to have sex with the back of someone's knee and then cum on their calf "He says it's not gay if two guys have a showdown in Chinatown, but I know better." showdown in Chinatown by Ranchero Ranger June 10, 2009 0 0 Get merch Get the showdown in Chinatown mug. Buy Now — $32.95 See more merch