Do a Lil Share definition Flag To let a Male or lesbian lick you out when your on your period, and to taste and smell like shit in your genital areas. "I'm going to be rank and 'Do a Lil'.." Do a Lil by ACHOOOOO January 14, 2006 0 0 Get merch Get the Do a Lil mug. Buy Now — $32.95 See more merch