Lil Wayniac Share definition Flag any individual with an unhealthy obsession with Lil Wayne. "Have you heard Tha Carter III?" "Hell yea; I'm a Lil Wayniac!" Lil Wayniac by Natzyboo December 15, 2008 0 0 Get merch Get the Lil Wayniac mug. Buy Now — $32.95 See more merch