up the yin yang Share definition Flag To take something to the extreme. Mainly used by those of the ricer crowd when they are threatened by rival racers Man, quit dissin' my Celica before I smack you up the yin yang! up the yin yang by Eddie the Black March 31, 2004 0 0 Get merch Get the up the yin yang mug. Buy Now — $32.95 See more merch