tongue to lip ratio Share definition Flag Tongue to Lip ratio when making out is the best indicator for a guy to determine is the woman is on the wrag. The tongue to lip ratiowith that chick at the bar was lacking...definitley on the wrag. tongue to lip ratio by wcurry96 June 22, 2011 0 0 Get merch Get the tongue to lip ratio mug. Buy Now — $32.95 See more merch